Terminal devices, base station devices, and communication methods

ABSTRACT

The DCI format at least indicates a set of interlaces if the DCI format indicates a set of RB-sets, resource blocks for the PUSCH are given based on an intersection of the set of the interlaces and the set of the RB-sets, and if the DCI format doesn&#39;t indicate the set of the RB-sets, the resource blocks for the PUSCH are given based on an intersection of the set of the interlaces and a pre-determined set of RB-sets where the pre-determined set includes one RB-set which corresponds to one downlink RB set in which the DCI format is received.

TECHNICAL FIELD

The present invention relates to a terminal device, a base stationdevice, and a communication method.

BACKGROUND ART

n the 3rd Generation Partnership Project (3GPP), a radio access methodand a radio network for cellular mobile communications (hereinafter,referred to as Long Term Evolution, or Evolved Universal TerrestrialRadio Access) have been studied. In LTE (Long Term Evolution), a basestation device is also referred to as an evolved NodeB (eNodeB), and aterminal device is also referred to as a User Equipment (UE). LTE is acellular communication system in which multiple areas are deployed in acellular structure, with each of the multiple areas being covered by abase station device. A single base station device may manage multiplecells. Evolved Universal Terrestrial Radio Access is also referred asE-UTRA.

In the 3GPP, the next generation standard (New Radio: NR) has beenstudied in order to make a proposal to theInternational-Mobile-Telecommunication-2020 (IMT-2020) which is astandard for the next generation mobile communication system defined bythe International Telecommunications Union (ITU). NR has been expectedto satisfy a requirement considering three scenarios of enhanced MobileBroadBand (eMBB), massive Machine Type Communication (mMTC), and UltraReliable and Low Latency Communication (URLLC), in a single technologyframework.

For example, wireless communication devices may communicate with one ormore devices using a communication structure. However, the communicationstructure used may only offer limited flexibility and/or efficiency. Asillustrated by this discussion, systems and methods that improvecommunication flexibility and/or efficiency may be beneficial.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a conceptual diagram of a wireless communication systemaccording to an aspect of the present embodiment;

FIG. 2 is an example showing the relationship between subcarrier-spacingconfiguration u, a number of OFDM symbols per slot N^(slot) _(symb), andthe CP configuration according to an aspect of the present embodiment;

FIG. 3 is a diagram showing an example of a method of configuring aresource grid according to an aspect of the present embodiment;

FIG. 4 is a diagram showing a configuration example of a resource grid3001 according to an aspect of the present embodiment;

FIG. 5 is a schematic block diagram showing a configuration example ofthe base station device 3 according to an aspect of the presentembodiment;

FIG. 6 is a schematic block diagram showing a configuration example ofthe terminal device 1 according to an aspect of the present embodiment;

FIG. 7 is a diagram showing a configuration example of an SS/PBCH blockaccording to an aspect of the present embodiment;

FIG. 8 is a diagram illustrating an example of setting of a PRACHresource according to an aspect of the present embodiment;

FIG. 9 is an example of an association between indexes of SS/PBCH blockcandidates and PRACH occasions (SS-RO association) in a case that N^(RO)_(preamble)=64, N^(SSB) _(preamble,CBRA)=64, N^(SSB) _(RO)=1, and thefirst bitmap is set to {1,1,0,1,0,1,1,0} according to an aspect of theembodiment;

FIG. 10 is an example of an association between indexes of SS/PBCH blockcandidates and PRACH occasions (SS-RO association) in a case that N^(RO)_(preamble)=64, N^(SSB) _(preamble,CBRA)=64, N^(SSB) _(RO)=1, and thefirst bitmap is set to {1,1,0,1,0,1,0,0} according to an aspect of theembodiment;

FIG. 11 is a diagram showing an example of the monitoring occasion ofthe search-space-set according to an aspect of the present embodiment;

FIG. 12 is a diagram illustrating an example of the counting procedureaccording to an aspect of the present embodiment;

FIG. 13 is an example of interlaces according to an aspect of thepresent embodiment;

FIG. 14 is an example of resource assignment in frequency domainaccording to an aspect of the present embodiment.

DESCRIPTION OF EMBODIMENTS

Floor (AX) may be a floor function for a real number AX. For example,floor (AX) may be a function that provides the largest integer withinthe range that does not exceed the real number AX. Ceil (BX) may be aceiling function to a real number BX. For example, ceil (BX) may be afunction that provides the smallest integer within the range not lessthan the real number BX. Mod (CX, DX) may be a function that providesthe remainder obtained by dividing CX by DX. Here, the CX is a realnumber. Also, the DX is a real number. Mod (CX, DX) may be a functionthat provides a value which corresponds to the remainder of dividing CXby DX. It is exp (EX)=e{circumflex over ( )} (EX). Here, the e is Napiernumber. Also, the EX is a complex number or a real number.(FX){circumflex over ( )}(GX) indicates GX to the power of FX. Here, FXis a complex number or a real number.

In a wireless communication system according to one aspect of thepresent embodiment, at least OFDM (Orthogonal Frequency DivisionMultiplex) is used. An OFDM symbol is a unit of time domain of the OFDM.The OFDM symbol includes at least one or more subcarriers. An OFDMsymbol is converted to a time-continuous signal in baseband signalgeneration. In downlink, at least CP-OFDM (Cyclic Prefix-OrthogonalFrequency Division Multiplex) is used. In uplink, either CP-OFDM orDFT-s-OFDM (Discrete Fourier Transform-spread-Orthogonal FrequencyDivision Multiplex) is used. DFT-s-OFDM may be given by applyingtransform precoding to CP-OFDM. The transform precoding may be a kind ofDFT (Discrete Fourier Transform). CP-OFDM is OFDM using CP (CyclicPrefix). DFT-s-OFDM also uses CP.

The OFDM symbol may be a designation including a CP added to the OFDMsymbol before CP addition. That is, an OFDM symbol may be configured toinclude the OFDM symbol and a CP added to the OFDM symbol before CPaddition.

FIG. 1 is a conceptual diagram of a wireless communication systemaccording to an aspect of the present embodiment. In FIG. 1 , thewireless communication system includes at least terminal device 1A to 1Cand a base station device 3 (BS #3: Base station #3). Hereinafter, theterminal devices 1A to 1C are also referred to as a terminal device 1(UE #1: User Equipment #1).

The base station device 3 may be configured to include one or moretransmission devices (or transmission points, reception devices,reception points). When the base station device 3 is configured by aplurality of transmission devices, each of the plurality of transmissiondevices may be arranged at a different position.

The base station device 3 may provide one or more serving cells. Aserving cell may be defined as a set of resources used for wirelesscommunication. A serving cell is also referred to as a cell.

A serving cell may be configured to include at least one or both of adownlink component carrier (downlink carrier) and a uplink componentcarrier (uplink carrier). A serving cell may be configured to include atleast two or more downlink component carriers and/or two or more uplinkcomponent carriers. A downlink component carrier and an uplink componentcarrier are also referred to as component carrier (carrier).

For example, a resource grid may be provided for a component carrier.For example, a resource grid may be provided for a combination of acomponent carrier and a subcarrier-spacing configuration u. Asubcarrier-spacing configuration u is also referred to as numerology orsubcarrier-spacing. A resource grid includes N^(size,u) _(grid, x)N^(RB)_(sc) subcarriers. The resource grid starts from a Common resource blockwith index N^(start, u) _(grid). The common resource block with theindex N^(start, u) _(grid) is also referred to as a reference point ofthe resource grid. The resource grid includes N^(subframe, u) _(symb)OFDM symbols. The subscript x indicates the transmission direction. Thetransmission direction may be either downlink or uplink. A resource gridis provided for a combination of an antenna port p, a subcarrier-spacingconfiguration u, and a transmission direction x.

N^(size, u) _(grid,x) and N^(start, u) _(grid) are given at least basedon a higher-layer parameter (e.g. referred to as higher-layer parameterCarrierBandwidth). The higher-layer parameter is used to define one ormore SCS (SubCarrier-Spacing) specific carriers. A resource gridcorresponds to a SCS-specific carrier. A component carrier may compriseone or more SCS-specific carriers. The SCS-specific carrier may beindicated by a system information block (SIB). For each SCS-specificcarrier, a subcarrier-spacing configuration u may be provided.

FIG. 2 is an example showing the relationship between subcarrier-spacingconfiguration u, a number of OFDM symbols per slot N^(slot) _(symb), andthe CP configuration according to an aspect of the present embodiment.In FIG. 2A, for example, when the subcarrier-spacing configuration u isset to 2 and the CP configuration is set to normal CP (normal cyclicprefix), N^(slot) _(symb)=14, N^(frame, u) _(slot)=40, N^(subframe, u)_(slot)=4. Further, in FIG. 2B, for example, when the subcarrier-spacingconfiguration u is set to 2 and the CP configuration is set to anextended CP (extended cyclic prefix), N^(slot) _(symb)=12, N^(frame, u)_(slot)=40 N^(subframe, u) _(slot)=4.

In the wireless communication system according to an aspect of thepresent embodiment, a time unit T_(c) may be used to represent thelength in the time domain. The time unit T_(c) isT_(c)=1/(df_(max)*N_(f)). It is df_(max)=480 kHz. It is N_(f)=4096. Theconstant k is k=df_(max)*N_(f)/(df_(ref)N_(f, ref))=64. dfref is 15 kHz.N_(f, ref) is 2048.

Transmission of signals in the downlink/uplink may be organized intoradio frames (system frames, frames) of length T_(f). It isT_(f)=(df_(max)N_(f)/100)*T_(s)=10 ms. A radio frame is configured toinclude ten subframes. The subframe length isT_(sf)=(df_(max)N_(f)/1000) T_(s)=1 ms. A number of OFDM symbols persubframe is N^(subframe, u) _(symb)=N^(slot) _(symb)N^(subframe, u)_(slot).

For a subcarrier-spacing configuration u, a number of slots included ina subframe and indexes may be given. For example, slot index n^(u) _(s)may be given in ascending order with an integer value ranging from 0 toN^(subframe,u) _(slot)−1 in a subframe. For subcarrier-spacingconfiguration u, a number of slots included in a radio frame and indexesof slots included in the radio frame may be given. Also, the slot indexn^(u) _(s, f) may be given in ascending order with an integer valueranging from 0 to N^(frame,u) _(slot)−1 in a radio frame. ConsecutiveN^(slot) _(symb) OFDM symbols may be included in one slot. It isN^(slot) _(symb)=14.

FIG. 3 is a diagram showing an example of a method of configuring aresource grid according to an aspect of the present embodiment. Thehorizontal axis in FIG. 3 indicates frequency domain. FIG. 3 is aconfiguration example of a resource grid of subcarrier-spacingconfiguration u=u₁ in the component carrier 300 and a configurationexample of a resource grid of subcarrier-spacing configuration u=u₂ inthe component carrier 300. One or more subcarrier-spacing configurationu may be set for a component carrier. Although it is assumed in FIG. 3that u₁=u₂−1, various aspects of this embodiment are not limited to thecondition of u₂=u₂−1.

Point (Point) 3000 is an identifier for identifying a subcarrier. Point3000 is also referred to as point A. The common resource block-set(CRB-set) 3100 is a set of common resource blocks for thesubcarrier-spacing configuration u₁.

Among the common resource block-set 3100, the common resource blockincluding the point 3000 (the block indicated by the upper rightdiagonal line in FIG. 3 ) is also referred to as a reference point ofthe common resource block-set 3100. The reference point of the commonresource block-set 3100 may be a common resource block with index 0 inthe common resource block-set 3100.

The offset 3011 is an offset from the reference point of the commonresource block-set 3100 to the reference point of the resource grid3001. The offset 3011 is indicated by a number of common resource blockswhich is relative to the subcarrier-spacing configuration u₁. Theresource grid 3001 includes N^(size, u) _(grid1, x) common resourceblocks starting from the reference point of the resource grid 3001.

The offset 3013 is an offset from the reference point of the resourcegrid 3001 to the reference point s(N^(start,u) _(BWP,i1)) of the BWP(BandWidth Part) 3003 of the index i1.

Common resource block-set 3200 is a set of common resource blocks forthe subcarrier-spacing configuration u₂.

A common resource block including the point 3000 (the block indicated bythe upper left diagonal line in FIG. 3 ) in the common resourceblock-set 3200 is also referred to as a reference point of the commonresource block-set 3200. The reference point of the common resourceblock-set 3200 may be a common resource block with index 0 in the commonresource block-set 3200.

The offset 3012 is an offset from the reference point of the commonresource block-set 3200 to the reference point (the block indicated bythe vertical line) of the resource grid 3002. The offset 3012 isindicated by the number of common resource blocks for subcarrier-spacingconfiguration u=u₂. The resource grid 3002 includes N^(size,u)_(grid2,x) common resource blocks starting from the reference point ofthe resource grid 3002.

The offset 3014 is an offset from the reference point of the resourcegrid 3002 to the reference point (N^(start,u) _(BWP,i2)) of the BWP 3004with index i₂.

FIG. 4 is a diagram showing a configuration example of the resource grid3001 according to an aspect of the present embodiment. In the resourcegrid of FIG. 4 , the horizontal axis indicates OFDM symbol indexl_(sym), and the vertical axis indicates the subcarrier index k_(sc).The resource grid 3001 includes N^(size,u) _(grid1,x)N^(RB) _(sc)subcarriers, and includes N^(subframes,u) _(symb) OFDM symbols. Aresource identified by the subcarrier index k_(sc) and the OFDM symbolindex l_(sym) in a resource grid is also referred to as a resourceelement (RE: Resource Element).

A resource block (RB: Resource Block) includes N^(RB) _(sc) consecutivesubcarriers. A resource block is a generic name of a common resourceblock, a physical resource block (PRB: Physical Resource Block), and avirtual resource block (VRB: Virtual Resource Block). It is N^(RB)_(sc)=12.

A resource block unit is a set of resources that corresponds to a OFDMsymbol in a resource block. That is, a resource block unit includes 12resource elements which corresponds to a OFDM symbol in a resourceblock.

Common resource blocks for a subcarrier-spacing configuration u areindexed in ascending order from 0 in the frequency domain in a commonresource block-set. The common resource block with index 0 for thesubcarrier-spacing configuration u includes (or collides with, matches)the point 3000.

Physical resource blocks for a subcarrier-spacing configuration u areindexed in ascending order from 0 in the frequency domain in a BWP. Theindex n^(u) _(PRB) of the physical resource block with respect to thesubcarrier-spacing configuration u satisfies the relationship of n^(u)_(CRB)=n^(u) _(PRB)+N^(start,u) _(BWP,i). The N^(start,u) _(BWP,i)indicates the reference point of BWP with index i. The n^(u) _(CRB) isthe index of the common resource block.

Virtual resource blocks for a subcarrier-spacing configuration u areindexed in ascending order from 0 in the frequency domain in a BWP.

A BWP is defined as a subset of common resource blocks included in theresource grid. The BWP includes N^(size, u) _(BWP,i) common resourceblocks starting from the reference points N^(start, u) _(BWP,i). A BWPfor the downlink component carrier is also referred to as a downlinkBWP. A BWP for the uplink component carrier is also referred to as anuplink BWP.

An antenna port is defined such that the channel over which a symbol onthe antenna port is conveyed can be inferred from the channel over whichanother symbol on the same antenna port is conveyed. For example, thechannel may correspond to a physical channel. For example, the symbolsmay correspond to OFDM symbols. For example, the symbols may correspondto resource block units. For example, the symbols may correspond toresource elements.

Two antenna ports are said to be QCL (Quasi Co-Located) if thelarge-scale properties of the channel over which a symbol on one antennaport is conveyed can be inferred from the channel over which a symbol onthe other antenna port is conveyed. The large-scale properties include apart or all of delay spread, Doppler spread, Doppler shift, averagegain, average delay, and spatial Rx parameters.

Carrier aggregation may be communication using a plurality of aggregatedserving cells. Carrier aggregation may be communication using aplurality of aggregated component carriers. Carrier aggregation may becommunication using a plurality of aggregated downlink componentcarriers. Carrier aggregation may be communication using a plurality ofaggregated uplink component carriers.

FIG. 5 is a schematic block diagram showing a configuration example ofthe base station device 3 according to an aspect of the presentembodiment. As shown in FIG. 5 , the base station device 3 includes atleast a part or all of the wireless transmission/reception unit(physical layer processing unit) 30 and the higher-layer processing unit34. The wireless transmission/reception unit 30 includes at least a partor all of the antenna unit 31, the RF unit 32 (Radio Frequency unit 32),and the baseband unit 33. The higher-layer processing unit 34 includesat least a part or all of the medium access control layer processingunit 35 and the radio resource control layer processing unit 36.

The wireless transmission/reception unit 30 includes at least a part orall of a wireless transmission unit 30 a and a wireless reception unit30 b. The configuration of the baseband unit 33 included in the wirelesstransmission unit 30 a and the configuration of the baseband unit 33included in the wireless reception unit 30 b may be the same ordifferent. The configuration of the RF unit 32 included in the wirelesstransmission unit 30 a and the configuration of the RF unit 32 includedin the wireless reception unit 30 b may be the same or different. Theconfiguration of the antenna unit 31 included in the wirelesstransmission unit 30 a and the configuration of the antenna unit 31included in the wireless reception unit 30 b may be the same ordifferent.

The higher-layer processing unit 34 provides downlink data (a transportblock) to the wireless transmission/reception unit 30 (or the wirelesstransmission unit 30 a). The higher-layer processing unit 34 performsprocessing of a part or all of a medium access control layer (MAClayer), a packet data convergence protocol layer (PDCP layer), a radiolink control layer (RLC layer) and/or a radio resource control layer(RRC layer).

The medium access control layer processing unit 35 included in thehigher-layer processing unit 34 performs processing of the MAC layer.

The radio resource control layer processing unit 36 included in thehigher-layer processing unit 34 performs the process of the RRC layer.The radio resource control layer processing unit 36 manages variousconfiguration information/parameters (RRC parameters) of the terminaldevice 1. The radio resource control layer processing unit 36 mayconfigure an RRC parameter based on the RRC message received from theterminal device 1.

The wireless transmission/reception unit 30 (or the wirelesstransmission unit 30 a) performs processing such as encoding andmodulation. The wireless transmission / reception unit 30 (or thewireless transmission unit 30 a) generates a physical signal by encodingand modulating the downlink data. The wireless transmission/receptionunit 30 (or the wireless transmission unit 30 a) generates atime-continuous signal of the physical signal by IFFT (Inverse FastFourier Transformation) of OFDM symbols in the physical signal. Thetime-continuous-signal is also referred to as baseband signal. Thewireless transmission/reception unit 30 (or the wireless transmissionunit 30 a) transmits the time-continuous signal to the terminal device 1via radio frequency. The wireless transmission/reception unit 30 (or thewireless transmission unit 30 a) may arrange the time-continuous signalon a component carrier and transmit the time-continuous signal to theterminal device 1.

For example, the baseband unit 33 generates the physical signal byencoding and modulating the downlink data. Then, the baseband unit 33generates the time-continuous signal of the physical signal by IFFT ofthe OFDM symbols in the physical signal. Then, the RF unit 32 transmitsthe time-continuous signal to the terminal device 1 via radio frequencyby using the antenna unit 31.

The wireless transmission/reception unit 30 (or the wireless receptionunit 30 b) may perform the channel access procedure prior to thetransmission of the time-continuous signal of the physical channel.

The wireless transmission/reception unit 30 (or the wireless receptionunit 30 b) performs processing such as demodulation and decoding. Thewireless transmission/reception unit 30 (or the wireless reception unit30 b) receives a time-continuous signal of a physical signal from theterminal device 1 via radio frequency. The wirelesstransmission/reception unit 30 (or the wireless reception unit 30 b)extracts frequency domain component of the physical signal by FastFourier Transformation (FFT) of the time-continuous signal. Thefrequency domain component of the physical signal is also referred to asOFDM symbols of the physical signal. The wireless transmission/receptionunit 30 (or the wireless reception unit 30 b) extracts uplink data bydemodulating and decoding the physical signal.

At least one or more serving cells (or one or more component carriers,one or more downlink component carriers, one or more uplink componentcarriers) may be configured for the terminal device 1.

Each of the serving cells set for the terminal device 1 may be any ofPCell (Primary cell), PSCell (Primary SCG cell), and SCell (SecondaryCell).

A PCell is a serving cell included in a MCG (Master Cell Group). A PCellis a cell (implemented cell) which performs an initial connectionestablishment procedure or a connection re-establishment procedure bythe terminal device 1.

A PSCell is a serving cell included in a SCG (Secondary Cell Group). APSCell is a serving cell in which random-access is performed by theterminal device 1 in a reconfiguration procedure with synchronization(Reconfiguration with synchronization).

A SCell may be included in either a MCG or a SCG.

The serving cell group (cell group) is a designation including at leastMCG and SCG. The serving cell group may include one or more servingcells (or one or more component carriers). One or more serving cells (orone or more component carriers) included in the serving cell group maybe operated by carrier aggregation.

One or more downlink BWPs may be configured for each serving cell (oreach downlink component carrier). One or more uplink BWPs may beconfigured for each serving cell (or each uplink component carrier).

Among the one or more downlink BWPs set for the serving cell (or thedownlink component carrier), one downlink BWP may be set as an activedownlink BWP (or one downlink BWP may be activated). Among the one ormore uplink BWPs set for the serving cell (or the uplink componentcarrier), one uplink BWP may be set as an active uplink BWP (or oneuplink BWP may be activated).

A PDSCH, a PDCCH, and a CSI-RS may be received in the active downlinkBWP. The terminal device 1 may receive the PDSCH, the PDCCH, and theCSI-RS in the active downlink BWP. A PUCCH and a PUSCH may be sent onthe active uplink BWP. The terminal device 1 may transmit the PUCCH andthe PUSCH in the active uplink BWP. The active downlink BWP and theactive uplink BWP are also referred to as active BWP.

The PDSCH, the PDCCH, and the CSI-RS may not be received in downlinkBWPs (inactive downlink BWPs) other than the active downlink BWP. Theterminal device 1 may not receive the PDSCH, the PDCCH, and the CSI-RSin the downlink BWPs which are other than the active downlink BWP. ThePUCCH and the PUSCH do not need to be transmitted in uplink BWPs(inactive uplink BWPs) other than the active uplink BWP. The terminaldevice 1 may not transmit the PUCCH and the PUSCH in the uplink BWPswhich is other than the active uplink BWP. The inactive downlink BWP andthe inactive uplink BWP are also referred to as inactive BWP.

Downlink BWP switching deactivates an active downlink BWP and activatesone of inactive downlink BWPs which are other than the active downlinkBWP. The downlink BWP switching may be controlled by a BWP fieldincluded in a downlink control information. The downlink BWP switchingmay be controlled based on higher-layer parameters.

Uplink BWP switching is used to deactivate an active uplink BWP andactivate any inactive uplink BWP which is other than the active uplinkBWP. Uplink BWP switching may be controlled by a BWP field included in adownlink control information. The uplink BWP switching may be controlledbased on higher-layer parameters.

Among the one or more downlink BWPs set for the serving cell, two ormore downlink BWPs may not be set as active downlink BWPs. For theserving cell, one downlink BWP may be active at a certain time.

Among the one or more uplink BWPs set for the serving cell, two or moreuplink BWPs may not be set as active uplink BWPs. For the serving cell,one uplink BWP may be active at a certain time.

FIG. 6 is a schematic block diagram showing a configuration example ofthe terminal device 1 according to an aspect of the present embodiment.As shown in FIG. 6 , the terminal device 1 includes at least a part orall of the wireless transmission/reception unit (physical layerprocessing unit) 10 and the higher-layer processing unit 14. Thewireless transmission/reception unit 10 includes at least a part or allof the antenna unit 11, the RF unit 12, and the baseband unit 13. Thehigher-layer processing unit 14 includes at least a part or all of themedium access control layer processing unit 15 and the radio resourcecontrol layer processing unit 16.

The wireless transmission/reception unit 10 includes at least a part ofor all of a wireless transmission unit 10 a and a wireless receptionunit 10 b. The configuration of the baseband unit 13 included in thewireless transmission unit 10 a and the configuration of the basebandunit 13 included in the wireless reception unit 10 b may be the same ordifferent. The configuration of the RF unit 12 included in the wirelesstransmission unit 10 a and the RF unit 12 included in the wirelessreception unit 10 b may be the same or different. The configuration ofthe antenna unit 11 included in the wireless transmission unit 10 a andthe configuration of the antenna unit 11 included in the wirelessreception unit 10 b may be the same or different.

The higher-layer processing unit 14 provides uplink data (a transportblock) to the wireless transmission/reception unit 10 (or the wirelesstransmission unit 10 a). The higher-layer processing unit 14 performsprocessing of a MAC layer, a packet data integration protocol layer, aradio link control layer, and/or an RRC layer.

The medium access control layer processing unit 15 included in thehigher-layer processing unit 14 performs processing of the MAC layer.

The radio resource control layer processing unit 16 included in thehigher-layer processing unit 14 performs the process of the RRC layer.The radio resource control layer processing unit 16 manages variousconfiguration information/parameters (RRC parameters) of the terminaldevice 1. The radio resource control layer processing unit 16 configuresRRC parameters based on the RRC message received from the base stationdevice 3.

The wireless transmission/reception unit 10 (or the wirelesstransmission unit 10 a) performs processing such as encoding andmodulation. The wireless transmission/reception unit 10 (or the wirelesstransmission unit 10 a) generates a physical signal by encoding andmodulating the uplink data. The wireless transmission/reception unit 10(or the wireless transmission unit 10 a) generates a time-continuoussignal of the physical signal by IFFT (Inverse Fast FourierTransformation) of OFDM symbols in the physical signal. Thetime-continuous-signal is also referred to as baseband signal. Thewireless transmission/reception unit 10 (or the wireless transmissionunit 10 a) transmits the time-continuous signal to the base stationdevice 3 via radio frequency. The wireless transmission/reception unit10 (or the wireless transmission unit 10 a) may arrange thetime-continuous signal on a BWP (an active uplink BWP) and transmit thetime-continuous signal to the base station device 3.

For example, the baseband unit 13 generates the physical signal byencoding and modulating the downlink data. Then, the baseband unit 13generates the time-continuous signal of the physical signal by IFFT ofthe OFDM symbols in the physical signal. Then, the RF unit 12 transmitsthe time-continuous signal to the base station device 3 via radiofrequency by using the antenna unit 11.

The wireless transmission/reception unit 10 (or the wireless receptionunit 10 b) may perform the channel access procedure prior to thetransmission of the time-continuous signal of the physical channel.

The wireless transmission/reception unit 10 (or the wirelesstransmission unit 10 b) performs processing such as demodulation anddecoding. The wireless transmission/reception unit 10 (or the wirelesstransmission unit 10 b) receives a time-continuous signal of a physicalsignal from the base station device 3 via radio frequency. The wirelesstransmission/reception unit 10 (or the wireless transmission unit 10 b)extracts frequency domain component of the physical signal by FastFourier Transformation (FFT) of the time-continuous signal. Thefrequency domain component of the physical signal is also referred to asOFDM symbols of the physical signal. The wireless transmission/receptionunit 10 (or the wireless transmission unit 10 b) extracts uplink data bydemodulating and decoding the physical signal.

Hereinafter, physical signals (signals) will be described.

Physical signal is a generic term for downlink physical channels,downlink physical signals, uplink physical channels, and uplink physicalchannels. The physical channel is a generic term for downlink physicalchannels and uplink physical channels.

An uplink physical channel may correspond to a set of resource elementsthat carry information originating from the higher-layer and/or uplinkcontrol information. The uplink physical channel may be a physicalchannel used in an uplink component carrier. The uplink physical channelmay be transmitted by the terminal device 1. The uplink physical channelmay be received by the base station device 3. In the wirelesscommunication system according to one aspect of the present embodiment,at least part or all of PUCCH (Physical Uplink Control CHannel), PUSCH(Physical Uplink Shared CHannel), and PRACH (Physical Random AccessCHannel) may be used.

A PUCCH may, be used to transmit uplink control information (UCI: UplinkControl Information). The PUCCH may be sent to deliver (transmission,convey) uplink control information. The uplink control information maybe mapped to (or arranged in) the PUCCH. The terminal device 1 maytransmit PUCCH in which uplink control information is arranged. The basestation device 3 may receive the PUCCH in which the uplink controlinformation is arranged.

Uplink control information (uplink control information bit, uplinkcontrol information sequence, uplink control information type) includesat least part or all of channel state information (CSI: Channel StateInformation), scheduling request (SR: Scheduling Request), and HARQ-ACK(Hybrid Automatic Repeat request ACKnowledgement).

Channel state information is conveyed by using channel state informationbits or a channel state information sequence. Scheduling request is alsoreferred to as a scheduling request bit or a scheduling requestsequence. HARQ-ACK information is also referred to as a HARQ-ACKinformation bit or a HARQ-ACK information sequence.

HARQ-ACK information may include HARQ-ACK status which corresponds to atransport block (TB: Transport block, MAC PDU: Medium Access ControlProtocol Data Unit, DL-SCH: Downlink-Shared Channel, UL-SCH:Uplink-Shared Channel, PDSCH: Physical Downlink Shared CHannel, PUSCH:Physical Uplink Shared CHannel). The HARQ-ACK status may indicate ACK(acknowledgement) or NACK (negative-acknowledgement) corresponding tothe transport block. The ACK may indicate that the transport block hasbeen successfully decoded. The NACK may indicate that the transportblock has not been successfully decoded. The HARQ-ACK information mayinclude a HARQ-ACK codebook that includes one or more HARQ-ACK status(or HARQ-ACK bits).

For example, the correspondence between the HARQ-ACK information and thetransport block may mean that the HARQ-ACK information and the PDSCHused for transmission of the transport block correspond.

HARQ-ACK status may indicate ACK or NACK which correspond to one CBG(Code Block Group) included in the transport block.

The scheduling request may at least be used to request PUSCH (or UL-SCH)resources for new transmission. The scheduling request may be used toindicate either a positive SR or a negative SR. The fact that thescheduling request indicates a positive SR is also referred to as “apositive SR is sent”. The positive SR may indicate that the PUSCH (orUL-SCH) resource for initial transmission is requested by the terminaldevice 1. A positive SR may indicate that a higher-layer is to trigger ascheduling request. The positive SR may be sent when the higher-layerinstructs to send a scheduling request. The fact that the schedulingrequest bit indicates a negative SR is also referred to as “a negativeSR is sent”. A negative SR may indicate that the PUSCH (or UL-SCH)resource for initial transmission is not requested by the terminaldevice 1. A negative SR may indicate that the higher-layer does nottrigger a scheduling request. A negative SR may be sent if thehigher-layer is not instructed to send a scheduling request.

The channel state information may include at least part or all of achannel quality indicator (CQI), a precoder matrix indicator (PMI), anda rank indicator (RI). CQI is an indicator related to channel quality(e.g., propagation quality) or physical channel quality, and PMI is anindicator related to a precoder. RI is an indicator related totransmission rank (or the number of transmission layers).

Channel state information may be provided at least based on receivingone or more physical signals (e.g., one or more CSI-RSs) used at leastfor channel measurement. The channel state information may be selectedby the terminal device 1 at least based on receiving one or morephysical signals used for channel measurement. Channel measurements mayinclude interference measurements.

A PUCCH may correspond to a PUCCH format. A PUCCH may be a set ofresource elements used to convey a PUCCH format. A PUCCH may include aPUCCH format. A PUCCH format may include UCI.

A PUSCH may be used to transmit uplink data (a transport block) and/oruplink control information. A PUSCH may be used to transmit uplink data(a transport block) corresponding to a UL-SCH and/or uplink controlinformation. A PUSCH may be used to convey uplink data (a transportblock) and/or uplink control information. A PUSCH may be used to conveyuplink data (a transport block) corresponding to a UL-SCH and/or uplinkcontrol information. Uplink data (a transport block) may be arranged ina PUSCH. Uplink data (a transport block) corresponding to UL-SCH may bearranged in a PUSCH. Uplink control information may be arranged to aPUSCH. The terminal device 1 may transmit a PUSCH in which uplink data(a transport block) and/or uplink control information is arranged. Thebase station device 3 may receive a PUSCH in which uplink data (atransport block) and/or uplink control information is arranged.

A PRACH may be used to transmit a random-access preamble. The PRACH maybe used to convey a random-access preamble. The sequence x_(u, v) (n) ofthe PRACH is defined by x_(u, v) (n)=x_(u) (mod (n+C_(v), L_(RA))). Thex_(u) may be a ZC sequence (Zadoff-Chu sequence). The x_(u) may bedefined by x_(u)=exp (−jpui (i+1)/LRA). The j is an imaginary unit. Thep is the circle ratio. The C_(v) corresponds to cyclic shift of thePRACH. LRA corresponds to the length of the PRACH. The L_(RA) may be 839or 139 or another value. The i is an integer in the range of 0 toL_(RA)−1. The u is a sequence index for the PRACH. The terminal device 1may transmit the PRACH. The base station device 3 may receive the PRACH.

For a given PRACH opportunity, 64 random-access preambles are defined.The random-access preamble is specified (determined, given) at leastbased on the cyclic shift C_(v) of the PRACH and the sequence index ufor the PRACH.

An uplink physical signal may correspond to a set of resource elements.The uplink physical signal may not carry information generated in thehigher-layer. The uplink physical signal may be a physical signal usedin the uplink component carrier. The terminal device 1 may transmit anuplink physical signal. The base station device 3 may receive the uplinkphysical signal. In the radio communication system according to oneaspect of the present embodiment, at least a part or all of UL DMRS(UpLink Demodulation Reference Signal), SRS (Sounding Reference Signal),UL PTRS (UpLink Phase Tracking Reference Signal) may be used.

UL DMRS is a generic name of a DMRS for a PUSCH and a DMRS for a PUCCH.

A set of antenna ports of a DMRS for a PUSCH (a DMRS associated with aPUSCH, a DMRS included in a PUSCH, a DMRS which corresponds to a PUSCH)may be given based on a set of antenna ports for the PUSCH. That is, theset of DMRS antenna ports for the PUSCH may be the same as the set ofantenna ports for the PUSCH.

Transmission of a PUSCH and transmission of a DMRS for the PUSCH may beindicated (or scheduled) by one DCI format. The PUSCH and the DMRS forthe PUSCH may be collectively referred to as a PUSCH. Transmission ofthe PUSCH may be transmission of the PUSCH and the DMRS for the PUSCH.

A PUSCH may be estimated from a DMRS for the PUSCH. That is, propagationpath of the PUSCH may be estimated from the DMRS for the PUSCH.

A set of antenna ports of a DMRS for a PUCCH (a DMRS associated with aPUCCH, a DMRS included in a PUCCH, a DMRS which corresponds to a PUCCH)may be identical to a set of antenna ports for the PUCCH.

Transmission of a PUCCH and transmission of a DMRS for the PUCCH may beindicated (or triggered) by one DCI format. The arrangement of the PUCCHin resource elements (resource element mapping) and/or the arrangementof the DMRS in resource elements for the PUCCH may be provided at leastby one PUCCH format. The PUCCH and the DMRS for the PUCCH may becollectively referred to as PUCCH. Transmission of the PUCCH may betransmission of the PUCCH and the DMRS for the PUCCH.

A PUCCH may be estimated from a DMRS for the PUCCH. That is, propagationpath of the PUCCH may be estimated from the DMRS for the PUCCH.

A downlink physical channel may correspond to a set of resource elementsthat carry information originating from the higher-layer and/or downlinkcontrol information. The downlink physical channel may be a physicalchannel used in the downlink component carrier. The base station device3 may transmit the downlink physical channel. The terminal device 1 mayreceive the downlink physical channel. In the wireless communicationsystem according to one aspect of the present embodiment, at least apart or all of PBCH (Physical Broadcast Channel), PDCCH (PhysicalDownlink Control Channel), and PDSCH (Physical Downlink Shared Channel)may be used.

The PBCH may be used to transmit a MIB (Master Information Block) and/orphysical layer control information. The physical layer controlinformation is a kind of downlink control information. The PBCH may besent to deliver the MIB and/or the physical layer control information. ABCH may be mapped (or corresponding) to the PBCH. The terminal device 1may receive the PBCH. The base station device 3 may transmit the PBCH.The physical layer control information is also referred to as a PBCHpayload and a PBCH payload related to timing. The MIB may include one ormore higher-layer parameters.

Physical layer control information includes 8 bits. The physical layercontrol information may include at least part or all of 0A to 0D. The 0Ais radio frame information. The 0B is half radio frame information (halfsystem frame information). The 0C is SS/PBCH block index information.The 0D is subcarrier offset information.

The radio frame information is used to indicate a radio frame in whichthe PBCH is transmitted (a radio frame including a slot in which thePBCH is transmitted). The radio frame information is represented by 4bits. The radio frame information may be represented by 4 bits of aradio frame indicator. The radio frame indicator may include 10 bits.For example, the radio frame indicator may at least be used to identifya radio frame from index 0 to index 1023.

The half radio frame information is used to indicate whether the PBCH istransmitted in first five subframes or in second five subframes amongradio frames in which the PBCH is transmitted. Here, the half radioframe may be configured to include five subframes. The half radio framemay be configured by five subframes of the first half of ten subframesincluded in the radio frame. The half radio frame may be configured byfive subframes in the second half of ten subframes included in the radioframe.

The SS/PBCH block index information is used to indicate an SS/PBCH blockindex. The SS/PBCH block index information may be represented by 3 bits.The SS/PBCH block index information may consist of 3 bits of an SS/PBCHblock index indicator. The SS/PBCH block index indicator may include 6bits. The SS/PBCH block index indicator may at least be used to identifyan SS/PBCH block from index 0 to index 63 (or from index 0 to index 3,from index 0 to index 7, from index 0 to index 9, from index 0 to index19, etc.).

The subcarrier offset information is used to indicate subcarrier offset.The subcarrier offset information may be used to indicate the differencebetween the first subcarrier in which the PBCH is arranged and the firstsubcarrier in which the control resource set with index 0 is arranged.

A PDCCH may be used to transmit downlink control information (DCI). APDCCH may be transmitted to deliver downlink control information.Downlink control information may be mapped to a PDCCH. The terminaldevice 1 may receive a PDCCH in which downlink control information isarranged. The base station device 3 may transmit the PDCCH in which thedownlink control information is arranged.

Downlink control information may correspond to a DCI format. Downlinkcontrol information may be included in a DCI format. Downlink controlinformation may be arranged in each field of a DCI format.

DCI format is a generic name for DCI format 0_0, DCI format 0_1, DCIformat 1_0, and DCI format 1_1. Uplink DCI format is a generic name ofthe DCI format 0_0 and the DCI format 0_1. Downlink DCI format is ageneric name of the DCI format 1_0 and the. DCI format 1_1.

The DCI format 0_0 is at least used for scheduling a PUSCH for a cell(or a PUSCH arranged on a cell). The DCI format 0_0 includes at least apart or all of fields 1A to 1E. The lA is a DCI format identificationfield (Identifier field for DCI formats). The 1B is a frequency domainresource assignment field (FDRA field). The 1C is a time domain resourceassignment field (TDRA field). The 1D is a frequency-hopping flag field.The 1E is an MCS field (Modulation-and-Coding-Scheme field).

The DCI format identification field may indicate whether the DCI formatincluding the DCI format identification field is an uplink DCI format ora downlink DCI format. The DCI format identification field included inthe DCI format 0_0 may indicate 0_0 (or may indicate that the DCI format0_0 is an uplink DCI format).

The frequency domain resource assignment field included in the DCIformat 0_0 may be at least used to indicate the assignment (allocation)of frequency resources for a PUSCH. The frequency domain resourceassignment field included in the DCI format 0_0 may be at least used toindicate the assignment (allocation) of frequency resources for a PUSCHscheduled by the DCI format 0_0.

A frequency domain resource assignment field in any DCI format includesfrequency domain resource assignment information. The frequency domainresource assignment information may indicate type of resourceassignment. the type may at least include a part or both of resourceassignment type-0, and resource assignment type-1. If the frequencydomain resource assignment information indicates the type of theresource assignment, the frequency domain resource assignmentinformation includes resource assignment type information and resourceblock assignment information. The resource assignment type informationindicates the type of the resource assignment. The resource blockassignment information indicates a set of resource blocks in frequencydomain for a physical channel scheduled by the any DCI format.

The time domain resource assignment field included in the DCI format 0_0may be at least used to indicate the assignment of time resources for aPUSCH. The time domain resource assignment field included in the DCIformat 0_0 may be at least used to indicate the assignment of timeresources for a PUSCH scheduled by the DCI format 0_0.

The frequency-hopping flag field may be at least used to indicatewhether frequency-hopping is applied to a PUSCH. The frequency-hoppingflag field may be at least used to indicate whether frequency-hopping isapplied to a PUSCH scheduled by the DCI format 0_0.

The MCS field included in the DCI format 0_0 may be at least used toindicate a modulation scheme for a PUSCH and/or a part or all of atarget coding rate for the PUSCH. The MCS field included in the DCIformat 0_0 may be at least used to indicate a modulation scheme for aPUSCH scheduled by the DCI format 0_0 and/or a part or all of a targetcoding rate for the PUSCH. A size of a transport block (TBS: TransportBlock Size) of a PUSCH may be given based at least on a target codingrate and a part or all of a modulation scheme for the PUSCH.

The DCI format 0_0 may not include fields used for a CSI request. Thatis, CSI may not be requested by the DCI format 0_0.

The DCI format 0_0 may not include a carrier indicator field. An uplinkcomponent carrier on which a PUSCH scheduled by the DCI format 0_0 isarranged may be the same as an uplink component carrier on which a PDCCHincluding the DCI format 0_0 is arranged.

The DCI format 0_0 may not include a BWP field. An uplink BWP on which aPUSCH scheduled by the DCI format 0_0 is arranged may be the same as anuplink BWP on which a PDCCH including the DCI format 0_0 is arranged.

The DCI format 0_1 is at least used for scheduling of a PUSCH for a cell(or arranged on a cell). The DCI format 0_1 includes at least a part orall of fields 2A to 2H. The 2A is a DCI format identification field. The2B is a frequency domain resource assignment field. The 2C is a timedomain resource assignment field. The 2D is a frequency-hopping flagfield. The 2E is an MCS field. The 2F is a CSI request field. The 2G isa BWP field. The 2H is a carrier indicator field.

The DCI format identification field included in the DCI format 0_1 mayindicate 0 (or may indicate that the DCI format 0_1 is an uplink DCIformat).

The frequency domain resource assignment field included in the DCIformat 0_1 may be at least used to indicate the assignment of frequencyresources for a PUSCH. The frequency domain resource assignment fieldincluded in the DCI format 0_1 may be at least used to indicate theassignment of frequency resources for a PUSCH scheduled by the DCIformat.

The time domain resource assignment field included in the DCI format 0_1may be at least used to indicate the assignment of time resources for aPUSCH. The time domain resource assignment field included in DCI format0_1 may be at least used to indicate the assignment of time resourcesfor a PUSCH scheduled by the DCI format 0_1.

The frequency-hopping flag field may be at least used to indicatewhether frequency-hopping is applied to a PUSCH scheduled by the DCIformat 0_1.

The MCS field included in the DCI format 0_1 may be at least used toindicate a modulation scheme for a PUSCH and/or a part or all of atarget coding rate for the PUSCH. The MCS field included in the DCIformat 0_1 may be at least used to indicate a modulation scheme for aPUSCH scheduled by the DCI format and/or part or all of a target codingrate for the PUSCH.

When the DCI format 0_1 includes the BWP field, the BWP field may beused to indicate an uplink BWP on which a PUSCH scheduled by the DCIformat 0_1 is arranged. When the DCI format 0_1 does not include the BWPfield, an uplink BWP on which a PUSCH is arranged may be the activeuplink BWP. When a number of uplink BWPs configured in the terminaldevice 1 in an uplink component carrier is two or more, a number of bitsfor the BWP field included in the DCI format 0_1 used for scheduling aPUSCH arranged on the uplink component carrier may be one or more. Whena number of uplink BWPs configured in the terminal device 1 in an uplinkcomponent carrier is one, a number of bits for the BWP field included inthe DCI format 0_1 used for scheduling a PUSCH arranged on the uplinkcomponent carrier may be zero.

The CSI request field is at least used to indicate CSI reporting.

If the DCI format 0_1 includes the carrier indicator field, the carrierindicator field may be used to indicate an uplink component carrier (ora serving cell) on which a PUSCH is arranged. When the DCI format 0_1does not include the carrier indicator field, a serving cell on which aPUSCH is arranged may be the same as the serving cell on which a PDCCHincluding the DCI format 0_1 used for scheduling of the PUSCH isarranged. When a number of uplink component carriers (or a number ofserving cells) configured in the terminal device 1 in a serving cellgroup is two or more (when uplink carrier aggregation is operated in aserving cell group), or when cross-carrier scheduling is configured forthe serving cell group, a number of bits for the carrier indicator fieldincluded in the DCI format 0_1 used for scheduling a PUSCH arranged onthe serving cell group may be one or more (e.g., 3). When a number ofuplink component carriers (or a number of serving cells) configured inthe terminal device 1 in a serving cell group is one (or when uplinkcarrier aggregation is not operated in a serving cell group), or whenthe cross-carrier scheduling is not configured for the serving cellgroup, a number of bits for the carrier indicator field included in theDCI format 0_1 used for scheduling of a PUSCH arranged on the servingcell group may be zero.

The DCI format 1_0 is at least used for scheduling of a PDSCH for a cell(arranged on a cell). The DCI format 1_0 includes at least a part or allof fields 3A to 3F. The 3A is a DCI format identification field. The 3Bis a frequency domain resource assignment field. The 3C is a time domainresource assignment field. The 3D is an MCS field. The 3E is aPDSCH-to-HARQ-feedback indicator field. The 3F is a PUCCH resourceindicator field.

The DCI format identification field included in the DCI format 1_0 mayindicate 1 (or may indicate that the DCI format 1_0 is a downlink DCIformat).

The frequency domain resource assignment field included in the DCIformat 1_0 may be at least used to indicate the assignment of frequencyresources for a PDSCH. The frequency domain resource assignment fieldincluded in the DCI format 1_0 may be at least used to indicate theassignment of frequency resources for a PDSCH scheduled by the DCIformat 1_0.

The time domain resource assignment field included in the DCI format 1_0may be at least used to indicate the assignment of time resources for aPDSCH. The time domain resource assignment field included in the DCIformat 1_0 may be at least used to indicate the assignment of timeresources for a PDSCH scheduled by the DCI format 1_0.

The MCS field included in the DCI format 1_0 may be at least used toindicate a modulation scheme for a PDSCH and/or a part or all of atarget coding rate for the PDSCH. The MCS field included in the DCIformat 1_0 may be at least used to indicate a modulation scheme for aPDSCH scheduled by the DCI format 1_0 and/or a part or all of a targetcoding rate for the PDSCH. A size of a transport block (TBS: TransportBlock Size) of a PDSCH may be given based at least on a target codingrate and a part or all of a modulation scheme for the PDSCH.

The PDSCH-to-HARQ-feedback timing indicator field may be at least usedto indicate the offset from a slot in which the last OFDM symbol of aPDSCH scheduled by the DCI format 1_0 is included to another slot inwhich the first OFDM symbol of a PUCCH triggered by the DCI format 1_0is included.

The PUCCH resource indicator field may be a field indicating an index ofany one or more PUCCH resources included in the PUCCH resource set for aPUCCH transmission. The PUCCH resource set may include one or more PUCCHresources. The PUCCH resource indicator field may trigger PUCCHtransmission with a PUCCH resource indicated at least based on the PUCCHresource indicator field.

The DCI format 1_0 may not include the carrier indicator field. Adownlink component carrier on which a PDSCH scheduled by the DCI format1_0 is arranged may be the same as a downlink component carrier on whicha PDCCH including the DCI format 1_0 is arranged.

The DCI format 1_0 may not include the BWP field. A downlink BWP onwhich a PDSCH scheduled by a DCI format 1_0 is arranged may be the sameas a downlink BWP on which a PDCCH including the DCI format 1_0 isarranged.

The DCI format 1_1 is at least used for scheduling of a PDSCH for a cell(or arranged on a cell). The DCI format 1_1 includes at least a part orall of fields 4A to 4H. The 4A is a DCI format identification field. The4B is a frequency domain resource assignment field. The 4C is a timedomain resource assignment field. The 4D is an MCS field. The 4E is aPDSCH-to-HARQ-feedback indicator field. The 4F is a PUCCH resourceindicator field. The 4G is a BWP field. The 4H is a carrier indicatorfield.

The DCI format identification field included in the DCI format 1_1 mayindicate 1 (or may indicate that the DCI format 1_1 is a downlink DCIformat).

The frequency domain resource assignment field included in the DCIformat 1_1 may be at least used to indicate the assignment of frequencyresources for a PDSCH. The frequency domain resource assignment fieldincluded in the DCI format 1_0 may be at least used to indicate theassignment of frequency resources for a PDSCH scheduled by the DCIformat 1_1.

The time domain resource assignment field included in the DCI format 1_1may be at least used to indicate the assignment of time resources for aPDSCH. The time domain resource assignment field included in the DCIformat 1_1 may be at least used to indicate the assignment of timeresources for a PDSCH scheduled by the DCI format 1_1.

The MCS field included in the DCI format 1_1 may be at least used toindicate a modulation scheme for a PDSCH and/or a part or all of atarget coding rate for the PDSCH. The MCS field included in the DCIformat 1_1 may be at least used to indicate a modulation scheme for aPDSCH scheduled by the DCI format 1_1 and/or a part or all of a targetcoding rate for the PDSCH.

When the DCI format 1_1 includes a PDSCH-to-HARQ-feedback timingindicator field, the PDSCH-to-HARQ-feedback timing indicator fieldindicates an offset from a slot including the last OFDM symbol of aPDSCH scheduled by the DCI format 1_1 to another slot including thefirst OFDM symbol of a PUCCH triggered by the DCI format 1_1. When theDCI format 11 does not include the PDSCH-to-HARQ-feedback timingindicator field, an offset from a slot in which the last OFDM symbol ofa PDSCH scheduled by the DCI format 1_1 is included to another slot inwhich the first OFDM symbol of a PUCCH triggered by the DCI format 1_1is identified by a higher-layer parameter.

When the DCI format 1_1 includes the BWP field, the BWP field may beused to indicate a downlink BWP on which a PDSCH scheduled by the DCIformat 1_1 is arranged. When the DCI format 1_1 does not include the BWPfield, a downlink BWP on which a PDSCH is arranged may be the activedownlink BWP. When a number of downlink BWPs configured in the terminaldevice 1 in a downlink component carrier is two or more, a number ofbits for the BWP field included in the DCI format 1_1 used forscheduling a PDSCH arranged on the downlink component carrier may be oneor more. When a number of downlink BWPs configured in the terminaldevice 1 in a downlink component carrier is one, a number of bits forthe BWP field included in the DCI format 1_1 used for scheduling a PDSCHarranged on the downlink component carrier may be zero.

If the DCI format 1_1 includes the carrier indicator field, the carrierindicator field may be used to indicate a downlink component carrier (ora serving cell) on which a PDSCH is arranged. When the DCI format 1_1does not include the carrier indicator field, a downlink componentcarrier (or a serving cell) on which a PDSCH is arranged may be the sameas a downlink component carrier (or a serving cell) on which a PDCCHincluding the DCI format 1_1 used for scheduling of the PDSCH isarranged. When a number of downlink component carriers (or a number ofserving cells) configured in the terminal device 1 in a serving cellgroup is two or more (when downlink carrier aggregation is operated in aserving cell group), or when cross-carrier scheduling is configured forthe serving cell group, a number of bits for the carrier indicator fieldincluded in the DCI format 1_1 used for scheduling a PDSCH arranged onthe serving cell group may be one or more (e.g., 3). When a number ofdownlink component carriers (or a number of serving cells) configured inthe terminal device 1 in a serving cell group is one (or when downlinkcarrier aggregation is not operated in a serving cell group), or whenthe cross-carrier scheduling is not configured for the serving cellgroup, a number of bits for the carrier indicator field included in theDCI format 1_1 used for scheduling of a PDSCH arranged on the servingcell group may be zero.

A PDSCH may be used to transmit one or more transport blocks. A PDSCHmay be used to transmit one or more transport blocks which correspondsto a DL-SCH. A PDSCH may be used to convey one or more transport blocks.A PDSCH may be used to convey one or more transport blocks whichcorresponds to a DL-SCH. One or more transport blocks may be arranged ina PDSCH. One or more transport blocks which corresponds to a DL-SCH maybe arranged in a PDSCH. The base station device 3 may transmit a PDSCH.The terminal device 1 may receive the PDSCH.

Downlink physical signals may correspond to a set of resource elements.The downlink physical signals may not carry the information generated inthe higher-layer. The downlink physical signals may be physical signalsused in the downlink component carrier. A downlink physical signal maybe transmitted by the base station device 3. The downlink physicalsignal may be transmitted by the terminal device 1. In the wirelesscommunication system according to one aspect of the present embodiment,at least a part or all of an SS (Synchronization signal), DL DMRS(DownLink DeModulation Reference Signal), CSI-RS (Channel StateInformation-Reference Signal), and DL PTRS (DownLink Phase TrackingReference Signal) may be used.

The synchronization signal may be used at least for the terminal device1 to synchronize in the frequency domain and/or time domain fordownlink. The synchronization signal is a generic name of PSS (PrimarySynchronization Signal) and SSS (Secondary Synchronization Signal).

FIG. 7 is a diagram showing a configuration example of an SS/PBCH blockaccording to an aspect of the present embodiment. In FIG. 7 , thehorizontal axis indicates time domain (OFDM symbol index and thevertical axis indicates frequency domain. The shaded blocks indicate aset of resource elements for a PSS. The blocks of grid lines indicate aset of resource elements for an SSS. Also, the blocks in the horizontalline indicate a set of resource elements for a PBCH and a set ofresource elements for a DMRS for the PBCH (DMRS related to the PBCH,DMRS included in the PBCH, DMRS which corresponds to the PBCH).

As shown in FIG. 7 , the SS/PBCH block includes a PSS, an SSS, and aPBCH. The SS/PBCH block includes 4 consecutive OFDM symbols. The SS/PBCHblock includes 240 subcarriers. The PSS is allocated to the 57th to183rd subcarriers in the first OFDM symbol. The SSS is allocated to the57th to 183rd subcarriers in the third OFDM symbol. The first to 56thsubcarriers of the first OFDM symbol may be set to zero. The 184th to240th subcarriers of the first OFDM symbol may be set to zero. The 49thto 56th subcarriers of the third OFDM symbol may be set to zero. The184th to 192nd subcarriers of the third OFDM symbol may be set to zero.In the first to 240th subcarriers of the second OFDM symbol, the PBCH isallocated to subcarriers in which the DMRS for the PBCH is notallocated. In the first to 48th subcarriers of the third OFDM symbol,the PBCH is allocated to subcarriers in which the DMRS for the PBCH isnot allocated. In the 193rd to 240th subcarriers of the third OFDMsymbol, the PBCH is allocated to subcarriers in which the DMRS for thePBCH is not allocated. In the first to 240th subcarriers of the 4th OFDMsymbol, the PBCH is allocated to subcarriers in which the DMRS for thePBCH is not allocated.

The antenna ports of a PSS, an SSS, a PBCH, and a DMRS for the PBCH inan SS/PBCH block may be identical.

A PBCH may be estimated from a DMRS for the PBCH. For the DM-RS for thePBCH, the channel over which a symbol for the PBCH on an antenna port isconveyed can be inferred from the channel over which another symbol forthe DM-RS on the antenna port is conveyed only if the two symbols arewithin a SS/PBCH block transmitted within the same slot, and with thesame SS/PBCH block index.

DL DMRS is a generic name of DMRS for a PBCH, DMRS for a PDSCH, and DMRSfor a PDCCH.

A set of antenna ports for a DMRS for a PDSCH (a DMRS associated with aPDSCH, a DMRS included in a PDSCH, a DMRS which corresponds to a PDSCH)may be given based on the set of antenna ports for the PDSCH. The set ofantenna ports for the DMRS for the PDSCH may be the same as the set ofantenna ports for the PDSCH.

Transmission of a PDSCH and transmission of a DMRS for the PDSCH may beindicated (or scheduled) by one DCI format. The PDSCH and the DMRS forthe PDSCH may be collectively referred to as PDSCH. Transmitting a PDSCHmay be transmitting a PDSCH and a DMRS for the PDSCH.

A PDSCH may be estimated from a DMRS for the PDSCH. For a DM-RSassociated with a PDSCH, the channel over which a symbol for the PDSCHon one antenna port is conveyed can be inferred from the channel overwhich another symbol for the DM-RS on the antenna port is conveyed onlyif the two symbols are within the same resource as the scheduled PDSCH,in the same slot, and in the same PRG (Precoding Resource Group).

Antenna ports for a DMRS for a PDCCH (a DMRS associated with a PDCCH, aDMRS included in a PDCCH, a DMRS which corresponds to a PDCCH) may bethe same as an antenna port for the PDCCH.

A PDCCH may be estimated from a DMRS for the PDCCH. For a DM-RSassociated with a PDCCH, the channel over which a symbol for the PDCCHon one antenna port is conveyed can be inferred from the channel overwhich another symbol for the DM-RS on the same antenna port is conveyedonly if the two symbols are within resources for which the UE may assumethe same precoding being used (i.e. within resources in a REG bundle).

A BCH (Broadcast CHannel), a UL-SCH (Uplink-Shared CHannel) and a DL-SCH(Downlink-Shared CHannel) are transport channels. A channel used in theMAC layer is called a transport channel. A unit of transport channelused in the MAC layer is also called transport block (TB) or MAC PDU(Protocol Data Unit). In the MAC layer, control of HARQ (HybridAutomatic Repeat request) is performed for each transport block. Thetransport block is a unit of data delivered by the MAC layer to thephysical layer. In the physical layer, transport blocks are mapped tocodewords and modulation processing is performed for each codeword.

One UL-SCH and one DL-SCH may be provided for each serving cell. BCH maybe given to PCell. BCH may not be given to PSCell and SCell.

A BCCH (Broadcast Control CHannel), a CCCH (Common Control CHannel), anda DCCH (Dedicated Control CHannel) are logical channels. The BCCH is achannel of the RRC layer used to deliver MIB or system information. TheCCCH may be used to transmit a common RRC message in a plurality ofterminal devices 1. The CCCH may be used for the terminal device 1 whichis not connected by RRC. The DCCH may be used at least to transmit adedicated RRC message to the terminal device 1. The DCCH may be used forthe terminal device 1 that is in RRC-connected mode.

The RRC message includes one or more RRC parameters (informationelements). For example, the RRC message may include a MIB. For example,the RRC message may include system information (SIB: System InformationBlock, MIB). SIB is a generic name for various type of SIBs (e.g., SIB1,SIB2). For example, the RRC message may include a message whichcorresponds to a CCCH. For example, the RRC message may include amessage which corresponds to a DCCH. RRC message is a general term forcommon RRC message and dedicated RRC message.

The BCCH in the logical channel may be mapped to the BCH or the DL-SCHin the transport channel. The CCCH in the logical channel may be mappedto the DL-SCH or the UL-SCH in the transport channel. The DCCH in thelogical channel may be mapped to the DL-SCH or the UL-SCH in thetransport channel.

The UL-SCH in the transport channel may be mapped to a PUSCH in thephysical channel. The DL-SCH in the transport channel may be mapped to aPDSCH in the physical channel. The BCH in the transport channel may bemapped to a PBCH in the physical channel.

A higher-layer parameter is a parameter included in an RRC message or aMAC CE (Medium Access Control Control Element). The higher-layerparameter is a generic name of information included in a MIB, systeminformation, a message which corresponds to CCCH, a message whichcorresponds to DCCH, and a MAC CE.

A cell-specific parameter is a higher-layer parameter used to configurecell specific parameters of the terminal device 1's serving cell. Thecell-specific parameter may be a parameter which the terminal device 1would typically acquire from SS/PBCH block, MIB or SIBs when accessingthe serving cell from IDLE state. For example, a parameter included inMIB, SIB, or servingCellConfigCommon may be a cell-specific parameter.

A UE-specific parameter is a higher-layer parameter used to configurethe UE with a serving cell. For example, a parameter not included inMIB, SIB, or servingCellConfigCommon may be a UE-specific parameter. Forexample, a parameter included in servingCellConfig may be a UE-specificparameter.

The procedure performed by the terminal device 1 includes at least apart or all of the following 5A to 5C. The 5A is cell search. The 5B israndom-access. The 5C is data communication.

The cell search is a procedure used by the terminal device 1 tosynchronize with a cell in the time domain and/or the frequency domainand to detect a physical cell identity. The terminal device 1 may detectthe physical cell ID by performing synchronization of time domain and/orfrequency domain with a cell by the cell search.

A sequence of a PSS is given based at least on a physical cell ID. Asequence of an SSS is given based at least on the physical cell ID.

An SS/PBCH block candidate indicates a resource for which transmissionof the SS/PBCH block may exist. An SS/PBCH block may be transmitted at aresource indicated as the SS/PBCH block candidate. The base stationdevice 3 may transmit an SS/PBCH block at an SS/PBCH block candidate.The terminal device 1 may receive (detect) the SS/PBCH block at theSS/PBCH block candidate.

A set of SS/PBCH block candidates in a half radio frame is also referredto as an SS-burst-set. The SS-burst-set is also referred to as atransmission window, a SS transmission window, or a DRS transmissionwindow (Discovery Reference Signal transmission window). TheSS-burst-set is a generic name that includes at least a firstSS-burst-set and a second SS-burst-set.

The base station device 3 transmits SS/PBCH blocks of one or moreindexes at a predetermined cycle. The terminal device 1 may detect anSS/PBCH block of at least one of the SS/PBCH blocks of the one or moreindexes. The terminal device 1 may attempt to decode the PBCH includedin the SS/PBCH block.

The random-access is a procedure including at least a part or all ofmessage 1, message 2, message 3, and message 4.

The message 1 is a procedure in which the terminal device 1 transmits aPRACH. The terminal device 1 transmits the PRACH in one PRACH occasionselected from among one or more PRACH occasions based on at least theindex of the SS/PBCH block candidate detected based on the cell search.

PRACH occasion configuration may include at least part or all of a PRACHconfiguration period (PCF) TPCF, number of PRACH occasions N^(PCF)_(RO, t) included in the time domain of a PRACH configuration period,the number of PRACH occasions included in the frequency domainN_(RO, f), number N^(RO) preamble of random-access preambles per PRACHoccasion allocated for random-access, number of preambles allocated perindex of SS/PBCH block candidate for contention based random-access(CBRA), N^(SSB) _(preamble, CBRA), and number of PRACH occasions N^(SSB)_(RO) allocated per index of SS/PBCH block candidate for contentionbased random-access.

At least based on the PRACH occasion configuration, at least part or allof time domain resources and frequency domain resources for a PRACHoccasion.

An association between an index of an SS/PBCH block candidate thatcorresponds to an SS/PBCH block detected by the terminal device 1 and aPRACH occasion may be provided at least based on first bitmapinformation indicating one or more indexes of SS/PBCH block candidatesused for transmission of actually-transmitted SS/PBCH blocks. Theterminal device 1 may determine an association between the index ofSS/PBCH block candidate including an SS/PBCH block detected by theterminal device 1 and PRACH occasions. For example, the first element ofthe first bitmap information may correspond to an SS/PBCH blockcandidate with index 0. For example, the second element of the firstbitmap information may correspond to an SS/PBCH block candidate withindex 1. For example, the L_(SSB)−1^(th) element of the first bitmapinformation may correspond to an SS/PBCH block candidate with indexL_(SSB−)1. The L_(SSB) is number of SS/PBCH block candidates included inan SS-burst-set.

FIG. 8 is a diagram illustrating an example of setting of a PRACHresource according to an aspect of the present embodiment. In FIG. 8 ,the PRACH configuration period T_(PCF) is 40 ms, the number of PRACHoccasions included in the time domain of a PRACH configuration periodN^(PCF) _(RO, t) is 1, and the number of PRACH occasions included in thefrequency domain N_(RO, f) is 2.

For example, the first bitmap information (ssb-PositionInBurst)indicating the indexes of SS/PBCH block candidates used for transmissionof SS/PBCH blocks is {1, 1, 0, 1, 0, 1, 0, 0}. The indexes of theSS/PBCH block candidates used for transmission of the SS/PBCH blocks isalso called as actually transmitted SS/PBCH block oractually-transmitted SS/PBCH block candidate.

FIG. 9 is an example of an association between indexes of SS/PBCH blockcandidates and PRACH occasions (SS-RO association) in a case that N^(RO)_(preamble)=64, N^(SSB) _(preamble,CBRA)=64, N^(SSB) _(RO)=1, and thefirst bitmap is set to {1,1,0,1,0,1,1,0} according to an aspect of theembodiment. In FIG. 9 , it is assumed that PRACH occasion configurationis the same as in FIG. 8 . In FIG. 9 , the SS/PBCH block candidate withindex 0 may correspond to the PRACH occasion (RO #0) with index 0, theSS/PBCH block candidate with index 1 may correspond to the PRACHoccasion (RO #1) with index 1, and the SS/PBCH block candidate withindex 3 may correspond to the PRACH occasion (RO #2) with index 2, theSS/PBCH block candidate with index 5 may correspond to the PRACHoccasion (RO #3) with index 3, and the SS/PBCH block candidate withindex 6 may correspond to the PRACH opportunity of index 4 (RO #4). InFIG. 9 , a PRACH association period (PRACH AP) T_(AP) is 120 msincluding PRACH occasions from index 0 to index 4. In FIG. 9 , PRACHassociation pattern period (PRACH APP) T_(APP) is 160 ms. In FIG. 9 ,the PRACH association pattern period includes one PRACH associationperiod.

FIG. 10 is an example of an association between indexes of SS/PBCH blockcandidates and PRACH occasions (SS-RO association) in a case that N^(RO)_(preamble)=64, N^(SSB) _(preamble,CBRA)=64, N^(SSB) _(RO)=1, and thefirst bitmap is set to {1,1,0,1,0,1,0,0} according to an aspect of theembodiment. In FIG. 10 , it is assumed that PRACH occasion configurationis the same as in FIG. 8 . In FIG. 10 , the SS/PBCH block candidate withindex 0 may correspond to the PRACH occasion (RO #0) with index 0 andthe PRACH occasion (RO #4) with index 4, the SS/PBCH block candidatewith index 1 may correspond to the PRACH occasion (RO #1) with index 1and the PRACH occasion (RO #45) with index 5, the SS/PBCH blockcandidate with index 3 may correspond to the PRACH occasion (RO #2) withindex 2 and the PRACH occasion (RO #6) with index 6, the SS/PBCH blockcandidate with index 5 may correspond to the PRACH occasion (RO #3) withindex 3 and the PRACH occasion (RO #7) with index 7. In FIG. 10 , aPRACH association period (PRACH AP) TAP is 80 ms including PRACHoccasions from index 0 to index 3. In FIG. 9 , PRACH association patternperiod (PRACH APP) T_(APP) is 160 ms. In FIG. 9 , the PRACH associationpattern period includes two PRACH association periods.

The smallest index of “the SS/PBCH block candidates actually used fortransmission of SS/PBCH blocks” indicated by the first bitmapinformation may correspond to the first PRACH occasion (the PRACHoccasion with index 0). The n-th index of “the SS/PBCH block candidatesactually used for transmission of SS/PBCH blocks” indicated by the firstbitmap information may correspond to the n-th PRACH occasion (the PRACHoccasion with index n−1).

The index of the PRACH occasion is set to the PRACH occasions includedin the PRACH association pattern period with priority given to thefrequency axis (Frequency-first time-second).

In FIG. 9 , PRACH occasions which corresponds to at least oneactually-transmitted SS/PBCH block candidates are the PRACH occasionwith index 0 to 4, and the PRACH configuration periods including atleast one PRACH occasion which corresponds to at least oneactually-transmitted SS/PBCH block candidates are first to third PRACHconfiguration periods. In FIG. 10 , PRACH occasions which corresponds toat least one actually-transmitted SS/PBCH block candidates are the PRACHoccasion with index 0 to 3, and the PRACH configuration periodsincluding at least one PRACH occasion which corresponds to at least oneactually-transmitted SS/PBCH block candidates are first to second PRACHconfiguration periods.

When the maximum integer k satisfying T_(APP)>k*T_(AP) is 2 or more, onePRACH association pattern period is configured to include k PRACHassociation periods. In FIG. 10 , since the largest integer k satisfyingT_(APP)>k*T_(AP) is 2, the first PRACH association period includes thetwo PRACH configuration periods from the beginning, and the second PRACHassociation period includes the third to fourth PRACH configurationperiods.

The terminal device 1 may transmit a PRACH with a random-access preamblein a PRACH occasion selected from PRACH occasions which corresponds tothe index of the detected SS/PBCH block candidate. The base stationdevice 3 may receive the PRACH in the selected PRACH occasion.

The message 2 is a procedure in which the terminal device 1 attempts todetect a DCI format 1_0 with CRC (Cyclic Redundancy Check) scrambled byan RA-RNTI (Random Access-Radio Network Temporary Identifier). Theterminal device 1 may attempt to detect the DCI format 1_0 in asearch-space-set.

The message 3 is a procedure for transmitting a PUSCH scheduled by arandom-access response grant included in the PDSCH (random-accessresponse) scheduled by the DCI format 1_0 detected in the message 2procedure. The random-access response grant is indicated by the MAC CEincluded in the PDSCH scheduled by the DCI format 1_0.

The PUSCH scheduled based on the random-access response grant is eithera message 3 PUSCH or a PUSCH. The message 3 PUSCH contains a contentionresolution identifier MAC CE. The contention resolution ID MAC CEincludes a contention resolution ID.

Retransmission of the message 3 PUSCH is scheduled by DCI format 0_0with CRC scrambled by a TC-RNTI (Temporary Cell-Radio Network TemporaryIdentifier).

The message 4 is a procedure that attempts to detect a DCI format 1_0with CRC scrambled by either a C-RNTI (Cell-Radio Network TemporaryIdentifier) or a TC-RNTI. The terminal device 1 receives a PDSCHscheduled based on the DCI format 1_0. The PDSCH may include a collisionresolution ID.

Data communication is a generic term for downlink communication anduplink communication.

In data communication, the terminal device 1 attempts to detect a PDCCH(attempts to monitor a PDCCH, monitors a PDCCH). in a resourceidentified at least based on one or all of a control resource set and asearch-space-set. It's also called as “the terminal device 1 attempts todetect a PDCCH in a control resource set”, “the terminal device 1attempts to detect a PDCCH in a search-space-set”, “the terminal device1 attempts to detect a PDCCH candidate in a control resource set”, “theterminal device 1 attempts to detect a PDCCH candidate in asearch-space-set”, “the terminal device 1 attempts to detect a DCIformat in a control resource set”, or “the terminal device 1 attempts todetect a DCI format in a search-space-set”.

The control resource set is a set of resources configured by a number ofresource blocks and a predetermined number of OFDM symbols in a slot.

The set of resources for the control resource set may be indicated byhigher-layer parameters. The number of OFDM symbols included in thecontrol resource set may be indicated by higher-layer parameters.

A PDCCH may be also called as a PDCCH candidate.

A search-space-set is defined as a set of PDCCH candidates. Asearch-space-set may be a Common Search Space (CSS) set or a UE-specificSearch Space (USS) set.

The CSS set is a generic name of a type-0 PDCCH common search-space-set,a type-0 a PDCCH common search-space-set, a type-1 PDCCH commonsearch-space-set, a type-2 PDCCH common search-space-set, and a type-3PDCCH common search-space-set. The USS set may be also called asUE-specific PDCCH search-space-set.

The type-0 PDCCH common search-space-set may be used as a commonsearch-space-set with index 0. The type-0 PDCCH common search-space-setmay be an common search-space-set with index 0.

A search-space-set is associated with (included in, corresponding to) acontrol resource set. The index of the control resource set associatedwith the search-space-set may be indicated by higher-layer parameters.

For a search-space-set, a part or all of 6A to 6C may be indicated atleast by higher-layer parameters. The 6A is PDCCH monitoring period. The6B is PDCCH monitoring pattern within a slot. The 6C is PDCCH monitoringoffset.

A monitoring occasion of a search-space-set may correspond to one ormore OFDM symbols in which the first OFDM symbol of the control resourceset associated with the search-space-set is allocated. A monitoringoccasion of a search-space-set may correspond to resources identified bythe first OFDM symbol of the control resource set associated with thesearch-space-set. A monitoring occasion of a search-space-set is givenbased at least on a part or all of PDCCH monitoring periodicity, PDCCHmonitoring pattern within a slot, and PDCCH monitoring offset.

FIG. 11 is a diagram showing an example of the monitoring occasion ofthe search-space-set according to an aspect of the present embodiment.In FIG. 11 , the search-space-set 91 and the search-space-set 92 aresets in the primary cell 301, the search-space-set 93 is a set in thesecondary cell 302, and the search-space-set 94 is a set in thesecondary cell 303.

In FIG. 11 , the block indicated by the grid line indicates thesearch-space-set 91, the block indicated by the upper right diagonalline indicates the search-space-set 92, the block indicated by the upperleft diagonal line indicates the search-space-set 93, and the blockindicated by the horizontal line indicates the search-space-set 94.

In FIG. 11 , the PDCCH monitoring periodicity for the search-space-set91 is set to 1 slot, the PDCCH monitoring offset for thesearch-space-set 91 is set to 0 slot, and the PDCCH monitoring patternfor the search-space-set 91 is [1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,0]. That is, the monitoring occasion of the search-space-set 91corresponds to the first OFDM symbol (OFDM symbol #0) and the eighthOFDM symbol (OFDM symbol #7) in each of the slots.

In FIG. 11 , the PDCCH monitoring periodicity for the search-space-set92 is set to 2 slots, the PDCCH monitoring offset for thesearch-space-set 92 is set to 0 slots, and the PDCCH monitoring patternfor the search-space-set 92 is [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0]. That is, the monitoring occasion of the search-space-set 92corresponds to the leading OFDM symbol (OFDM symbol #0) in each of theeven slots.

In FIG. 11 , the PDCCH monitoring periodicity for the search-space-set93 is set to 2 slots, the PDCCH monitoring offset for thesearch-space-set 93 is set to 0 slots, and the PDCCH monitoring patternfor the search-space-set 93 is [0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,0]. That is, the monitoring occasion of the search-space-set 93corresponds to the eighth OFDM symbol (OFDM symbol #8) in each of theeven slots.

In FIG. 11 , the PDCCH monitoring periodicity for the search-space-set94 is set to 2 slots, the PDCCH monitoring offset for thesearch-space-set 94 is set to 1 slot, and the PDCCH monitoring patternfor the search-space-set 94 is [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0]. That is, the monitoring occasion of the search-space-set 94corresponds to the leading OFDM symbol (OFDM symbol #0) in each of theodd slots.

The type-0 PDCCH common search-space-set may be at least used for a DCIformat with a cyclic redundancy check (CRC) sequence scrambled by anSI-RNTI (System Information-Radio Network Temporary Identifier).

The type-0 a PDCCH common search-space-set may be used at least for aDCI format with a cyclic redundancy check sequence scrambled by anSI-RNTI.

The type-1 PDCCH common search-space-set may be used at least for a DCIformat with a CRC sequence scrambled by an RA-RNTI (Random Access-RadioNetwork Temporary Identifier) or a CRC sequence scrambled by a TC-RNTI(Temporary Cell-Radio Network Temporary Identifier).

The type-2 PDCCH common search-space-set may be used for a DCI formatwith a CRC sequence scrambled by P-RNTI (Paging-Radio Network TemporaryIdentifier).

The type-3 PDCCH common search-space-set may be used for a DCI formatwith a CRC sequence scrambled by a C-RNTI (Cell-Radio Network TemporaryIdentifier).

The UE-specific search-space-set may be used at least for a DCI formatwith a CRC sequence scrambled by a C-RNTI.

In downlink communication, the terminal device 1 may detect a downlinkDCI format. The detected downlink DCI format is at least used forresource assignment for a PDSCH. The detected downlink DCI format isalso referred to as downlink assignment. The terminal device 1 attemptsto receive the. PDSCH. Based on a PUCCH resource indicated based on thedetected downlink DCI format, an HARQ-ACK corresponding to the PDSCH(HARQ-ACK corresponding to a transport block included in the PDSCH) maybe reported to the base station device 3.

In uplink communication, the terminal device 1 may detect an uplink DCIformat. The detected uplink DCI format is at least used for resourceassignment for a PUSCH. The detected uplink DCI format is also referredto as uplink grant. The terminal device 1 transmits the PUSCH.

The base station device 3 and the terminal device 1 may perform achannel access procedure in the serving cell c. The base station device3 and the terminal device 1 may perform transmission of a transmissionwave in the serving cell c. For example, the serving cell c may be aserving cell configured in an Unlicensed band. The transmission wave isa physical signal transmitted from the base station device 3 to themedium or a physical signal transmitted from the terminal device 1 tothe medium.

The base station device 3 and the terminal device 1 may perform achannel access procedure on the carrier f of the serving cell c. Thebase station device 3 and the terminal device 1 may perform transmissionof a transmission wave on the carrier f of the serving cell c. Thecarrier f is a carrier included in the serving cell c. The carrier f maybe configured by a set of resource blocks given based on higher-layerparameters.

The base station device 3 and the terminal device 1 may perform achannel access procedure on the carrier f of the serving cell c. Thebase station device 3 and the terminal device 1 may perform transmissionof a transmission wave on the BWP b of the carrier f of the serving cellc. The BWP b is a subset of resource blocks included in the carrier f.

The base station device 3 and the terminal device 1 may perform thechannel access procedure in the BWP b of the carrier f of the servingcell c. The base station device 3 and the terminal device 1 may performtransmission of a transmission wave in the carrier f of the serving cellc. Carrying out transmission of the transmission wave on the carrier fof the serving cell c may be transmission of the transmission wave onany set of the BWPs included in the carrier f of the serving cell c.

The base station device 3 and the terminal device 1 may perform thechannel access procedure in the BWP b of the carrier f of the servingcell c. The base station device 3 and the terminal device 1 may transmita transmission wave in the BWP b of the carrier f of the serving cell c.

The channel access procedure may include at least one or both of a firstsensing and a counting procedure. The first channel access procedure mayinclude a first measurement. The first channel access procedure may notinclude the counting procedure. The second channel access procedure mayat least include both the first measurement and the counting procedure.The channel access procedure is a designation including a part or all ofthe first channel access procedure and the second channel accessprocedure.

After the first channel access procedure is performed, a transmissionwave including at least an SS/PBCH block may be transmitted. After thefirst channel access procedure is performed, the gNB may transmit atleast a part or all of an SS/PBCH block, a PDSCH including broadcastinformation, PDCCH including DCI format used for scheduling of thePDSCH, and a CSI-RS. After the second channel access procedure isperformed, a transmission wave including at least a PDSCH includinginformation which is other than the broadcast information may betransmitted. The PDSCH including the broadcast information may includeat least a part or all of a PDSCH including system information, a PDSCHincluding paging information, and a PDSCH used for random-access (e.g.,message 2 and/or message 4).

A transmission wave including at least a part or all of an SS/PBCHblock, a PDSCH including broadcast information, a PDCCH including a DCIformat used for scheduling the PDSCH, and a CSI-RS is also referred toas DRS (Discovery Reference Signal). The DRS may be a set of physicalsignals transmitted after the first channel access procedure.

If the period of the DRS is less than or equal to a predetermined lengthand the duty cycle of the DRS is less than or equal to a predeterminedvalue, a transmission wave including the DRS may be transmitted afterthe first channel access procedure is performed. When the duration ofthe DRS exceeds the predetermined length, a transmission wave includingthe DRS may be transmitted after the second channel access procedure isperformed. When the duty cycle of the DRS exceeds the predeterminedvalue, a transmission wave including the DRS may be transmitted afterthe second channel access procedure is performed. For example, thepredetermined length may be 1 ms. For example, the predetermined valuemay be 1/20.

Transmission of a transmission wave after the channel access procedureis performed may be transmission of the transmission wave based on thechannel access procedure.

The first measurement may be that the medium is detected to be idleduring one or more LBT slot durations of the defer duration. Here, LBT(Listen-Before-Talk) may be a procedure in which whether the medium isidle or busy is given based on carrier sense. The carrier sense may beto perform energy detection in the medium. For example, the “busy” maybe a state in which the amount of energy detected by the carrier senseis equal to or larger than a predetermined threshold. The “idle” may bea state in which the amount of energy detected by the carrier sense issmaller than the predetermined threshold. Also, it may be the “idle”that the amount of energy detected by the carrier sense is equal to thepredetermined threshold. Also, it may be the “busy” that the amount ofenergy detected by the carrier sense is equal to the predeterminedthreshold.

An LBT slot duration is a time unit of LBT. For each LBT slot duration,whether the medium is idle or busy may be provided. For example, the LBTslot duration may be 9 microseconds.

The postponement duration T_(d) may include at least a duration T_(f)and one or more LBT slot durations. For example, the duration T_(f) maybe 16 microseconds.

FIG. 12 is a diagram illustrating an example of the counting procedureaccording to an aspect of the present embodiment. The counting procedureincludes at least a part or all of steps A1 to A6. Step A1 includes anoperation of setting the value of the counter N to N_(init). Here, theN_(init) is a value which is randomly (or pseudo-randomly) selected frominteger values in the range of 0 to CWp. CWp is a contention window size(CWS) for the channel access priority class p.

In Step A2, whether the value of the counter N is zero or not isdetermined. Step A2 includes an operation of completing (or terminating)the channel access procedure when the counter N is zero. Step A2includes an operation of proceeding to step A3 when the counter N is notzero. In FIG. 12 , the “true” corresponds to the fact that theevaluation formula is true in the step including the operation ofdetermining the evaluation formula. Also, the “false” corresponds to thefact that the evaluation formula is false in the step including theoperation of determining the evaluation formula. In Step A2, theevaluation formula corresponds to the counter N=0.

For example, Step A3 may include the step of decrementing the value ofthe counter N. Decrementing the value of the counter N may be to reducethe value of the counter N by one. That is, to decrement the value ofthe counter N may be to set the value of the counter N to N−1.

For example, Step A3 may include the step of decrementing the value ofthe counter N when N>0. Also, Step A3 may include the step ofdecrementing the value of the counter N when the base station device 3or the terminal device 1 selects to decrement the counter N. Step A3 mayalso include a step of decrementing the value of the counter N when N>0and the base station device 3 selects to decrement the counter N. StepA3 may also include a step of decrementing the value of the counter Nwhen N>0 and the terminal device 1 selects to decrement the counter N.

For example, Step A4 may include an operation of performing carriersense of the medium in LBT slot duration d and an operation ofproceeding to step A2 if the LBT slot duration d is idle. Further, StepA4 may include an operation of proceeding to Step A2 when it isdetermined by carrier sense that the LBT slot duration d is idle.Further, Step A4 may include an operation of performing carrier sense inLBT slot duration d and an operation of proceeding to step A5 when LBTslot duration d is busy. Further, Step A4 may include an operation ofproceeding to Step A5 when it is determined by carrier sense that theLBT slot duration d is busy. Here, the LBT slot duration d may be thenext LBT slot duration of the LBT slot duration already carrier-sensedin the counting procedure. In Step A4, the evaluation formula maycorrespond to the LBT slot duration d being idle.

In Step A5, the medium is idle until it is detected that the medium isbusy in a certain LBT slot duration included in the delay-duration, orin all LBT slot durations included in the delay-duration. It includes anoperation of performing carrier sense until “idle” is detected.

Step A6 includes an operation of proceeding to Step A5 when it isdetected that the medium is busy in a certain LBT slot duration includedin the delay-duration. Step A6 includes an operation that proceeds tostep A2 when it is detected that the medium is idle in all LBT slotdurations included in the delay-duration. In step A6, the evaluationformula may correspond to the medium being idle in the certain LBT slotduration.

CW_(min, p) indicates the minimum value of the range of possible valuesof the contention window size CWp for the channel access priority classp. CW_(max, p) indicates the maximum value of the range of possiblevalues of the contention window size CWp for the channel access priorityclass p.

When a transmission wave including at least a physical channel (forexample, PDSCH) associated with the channel access priority class p istransmitted, CWp is managed by the base station device 3 or the terminaldevice 1. The base station device 3 or the terminal device 1 adjusts theCWp before Step A1 of the counting procedure.

Multiple interlaces of resource blocks may be defined. An interlace withindex m includes common resource blocks each with index k*M^(u)_(int)+m. The k is an integer other than negative integers. The M^(u)_(int) is a number of interlaces given by the resource blocks. The M^(u)_(int) may be given at least based on subcarrier-spacing configurationu. For example, the M^(u) _(int) may be 10 if u=0 and may be 5 if u=1. Arelation between an index n^(u) _(IRB,m) in a BWP with index i and anindex n^(u) _(CRB) may be given by n^(u) _(CRB)=M^(u) _(int)*n^(u)_(IRB,m)+N^(start,u) _(BWP,I)+mod (m−N^(start,u) _(BWP,i), M^(u)_(int)). Here, the index n^(u) _(IRB,m) is a resource block index withinthe interlace m in the BWP. Also, the index n^(u) _(CRB) is an index fora common resource block. Also, N^(start,u) _(BWP,i) is a parameter todetermine the leading common resource block for the BWP.

FIG. 13 is an example of interlaces according to an aspect of thepresent embodiment. In FIG. 13 , Point 3000 is a reference point forcommon resource blocks. Also, Interlace 2000 is an interlace with indexm=0, Interlace 2001 is an interlace with index m=1, Interlace 2002 is aninterlace with index m=2, Interlace 2003 is an interlace with index m=3,and Interlace 2004 is an interlace with index m=4. Also, BWP 2010 is aBWP. Here, N^(start,u) _(BWP,i)=13.

For example, for m=1, the index n^(u) _(IRB,1)=0 corresponds to theindex n^(u) _(CRB)=16. Also, for m=1, the index n^(u) _(IRB,1)=1corresponds to the index n^(u) _(CRB)=21. Also, for m=1, the index n^(u)_(IRB,1)=2 corresponds to the index n^(u) _(CRB)=26. Also, for m=1, theindex n^(u) _(IRB,1)=3 corresponds to the index n^(u) _(CRB)=31. Also,for m=1, the index n^(u) _(IRB,1)=4 corresponds to the index n^(u)_(CRB)=36. Also, for m=1, the index n^(u) _(IRB,1)=5 corresponds to theindex n^(u) _(CRB)=41. Also, for m=1, the index n^(u) _(IRB,1)=6corresponds to the index n^(u) _(CRB)=46. Also, for m=1, the index n^(u)_(IRB,1)=7 corresponds to the index n^(u) _(CRB)=51. Also, for m=1, theindex n^(u) _(IRB,1)=8 corresponds to the index n^(u) _(CRB)=56. Also,for m=1, the index n^(u) _(IRB,1)=9 corresponds to the index n^(u)_(CRB)=61.

The resource block with index n^(u) _(IRB,m)=0 may be the leadingresource block within the interlace with index m in the BWP 2010.

A set of intra-cell (or intra-carrier) guard bands may be given in acarrier. For example, N_(set)−1 intra-cell guard bands may be given inthe carrier. Each intra-cell guard band may indicate a lowest (orstarting, leading) resource block index GB^(start,u) _(x) for theintra-cell guard band and a highest (or ending) resource block indexGB^(end,u) _(s) for the intra-cell guard band. Here, the s is an indexfor the intra-cell guard band.

A set of RB-sets may be given in a carrier at least based on theintra-carrier guard bands. The RB-sets may be indexed starting with thelower frequency. The RB-set with index X may include continuous resourceblocks starting at RB^(start,u) _(x) and ending at RB^(end,u) _(x).Here, RB^(start,u) ₀ may be N^(start,u) _(grid). Also, RB^(end,u)_(Nset−1) may be N^(start,u) _(grid)+N^(size,u) _(grid). Here,Nset=N_(set). RB^(start,u) _(Nonzero) may be GB^(end,u) _(NonZero−1)+1.Here, the NonZero is an integer value which is not zero. Also, IRR^(end,u) _(NonNset_1) may be GB^(start,u) _(NonNset_t)−1. Here, theNonNset_1 is an integer value which is not N_(set)−1.

An intra-cell guard band configuration for a carrier may be provided byRRC parameter. For a case that the intra-cell guard band for the carrieris not provided by the RRC parameter, a set of default configuration maybe used to define RB-sets.

In an uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces and a set of up to N_(set) RB-sets if the resource blockassignment information is included in a DCI format 0_1 for schedulingthe PUSCH. The resource block assignment information may indicate a setof interlaces. The resource block assignment information may indicate aset of RB-sets.

If a set of interlaces and a set of RB-sets are provided for a PUSCH,resource blocks assigned for the PUSCH may be given by an intersectionof the resource blocks of the set of interlaces and the set of RB-sets.

FIG. 14 is an example of resource assignment in frequency domainaccording to an aspect of the present embodiment. In FIG. 14 , Interlace2000 to 2004 are allocated in Carrier 2020. Also, BWP 2010 is locatedsuch that BWP 2010 includes RB-set 2030 and RB-set 2031. Also,N_(set)=3. RB-set 2030 includes continuous resource blocks starting atRB^(start,u) ₀ and ending at RB^(end,u) ₀=GB^(start,u) ₀−1. Also, RB-set2031 includes continuous resource blocks starting at RB^(start,u)₁=GB^(end,u) ₀+1 and ending at RB^(end,u) ₁=GB^(start,u) ₁−1. Also,RB-set 2032 includes continuous resource blocks starting at RB^(start,u)₂=GB^(end,u) ₁+1 and ending at RB^(end,u) ₂. Also, Continuous resourceblocks starting at GB^(start,u) ₀ and ending at GB^(end,u) ₀ may be abandwidth corresponding to an intra-cell guard band. Also, Continuousresource blocks starting at GB^(start,u) ₁ and ending at GB^(end,u) ₁may be a bandwidth corresponding to an intra-cell guard band. In anintra-cell guard band, a PUSCH may not be assigned.

For example, if Interlace 2001 and RB-set 2030 are provided for a PUSCH,resource blocks assigned for the PUSCH may be a set of resource blocksas “assigned” in FIG. 14 based on an intersection of Interlace 2001 andRB-set 2030.

For example, if Interlace 2001, Interlace 2002, RB-set 2030 and RB-set2031 are provided for a PUSCH, resource blocks assigned for the PUSCHmay be given by first intersection of Interlace 2001 and RB-set 2030,second intersection of Interlace 2001 and RB-set 2031, thirdintersection of Interlace 2002 and RB-set 2030, and fourth intersectionof Interlace 2002 and RB-set 2031.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces if some or all of condition 1, condition 2, and condition 3are met. For this case, one of Option 1 a, Option 2 a, and Option 3 amay be applied for resource assignment. The condition 1 is a conditionthat the resource block assignment information is included in a DCIformat 0_0 in a CSS set for scheduling the PUSCH. The condition 2 is acondition that intra-cell guard band configuration is provided bycell-specific parameter. The condition 3 is a condition that condition 3a or condition 3 b is met. The condition 3 a is a condition that theactive UL BWP includes all resource blocks for the initial UL BWP, thesubcarrier-spacing configuration u of the active UL BWP is the same asthe subcarrier-spacing configuration u of the initial UL BWP, and the CPconfiguration of the active UL BWP is the same as the CP configurationof the initial UL BWP. The condition 3 b is a condition that the initialUL BWP is set to the active UL BWP.

In Option la, resource blocks assigned for the PUSCH may be given basedon an intersection of the set of the interlaces and the initial UL BWPregardless of the active UL BWP. For example, if the condition 1 and thecondition 3 are at least met, and if the current active UL BWP isdifferent from the initial UL BWP, resource blocks assigned for thePUSCH may be given based on an intersection of the set of the interlacesand the initial UL BWP.

In Option 2 a, resource blocks assigned for the PUSCH may be given basedon an intersection of the set of the interlaces and the active UL BWP.

In Option 3a, resource blocks assigned for the PUSCH may be given basedon an intersection of the set of the interlaces and a pre-determined setof RB-sets. For example, the pre-determined set of the RB-sets mayinclude an RB-set which corresponds to the initial UL BWP. Here, theRB-set which corresponds to the initial UL BWP may be an RB-set includedin the initial UL BWP. For example, the pre-determined set of theRB-sets may include an RB-set indicated by RRC parameter. For example,the pre-determined set of the RB-sets may include an RB-set in whichPRACH resources are allocated. For example, the pre-determined set ofthe RB sets may include an uplink RB-set which corresponds to a downlinkRB-set in which the DCI format or the random-access response grant isreceived.

A downlink RB-set is an RB-set in a downlink carrier. An uplink RB-setis an RB-set in an uplink carrier. A downlink RB-set may correspond toan uplink RB-set if an index of the downlink RB-set and an index of theuplink RB-set is the same. A downlink RB-set may correspond to an uplinkRB-set if the downlink RB-set includes all resource blocks for theuplink RB-set. A downlink RB-set may correspond to an uplink RB-set ifthe uplink RB-set includes all resource blocks for the downlink RB-set.A downlink RB-set may correspond to an uplink RB-set if the downlinkRB-set includes the same set of resource blocks for the uplink RB-set.Downlink RB-set and uplink RB-set may be collectively referred to asRB-set.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces if some or all of condition 1 a, the condition 2, and thecondition 3 are met. For this case, one of Option 1 a, Option 2 a, andOption 3 a may be applied for resource assignment. The condition 1 a isa condition that the resource block assignment information is includedin a random-access response grant for scheduling the PUSCH.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces, if some or all of the condition 1 and the condition 3 aremet and if the condition 2 is not met. For this case, one of Option 1 a,and Option 2 a may be applied for resource assignment.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces, if some or all of the condition 1 a and the condition 3 aremet and if the condition 2 is not met. For this case, one of Option 1 a,and Option 2 a may be applied for resource assignment.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces, if the condition 1 is met and if the condition 3 is not met.For this case, one of Option 2 a, and Option 3 b may be applied forresource assignment.

In Option 3 b, resource blocks for the PUSCH may be given based on anintersection of the set of the interlaces and a pre-determined set ofRB-sets. For example, the pre-determined set of the RB-sets may includean RB-set indicated by RRC parameter. For example, the pre-determinedset of the RB-sets may include an RB-set in which PRACH resources areallocated. For example, the pre-determined set of the RB sets mayinclude an uplink RB-set which corresponds to a downlink RB-set in whichthe DCI format or the random-access response grant is received. Forexample, the pre-determined set of the RB-sets may include an RB-setwith lowest index in the active UL BWP. For example, the pre-determinedset of RB-sets may include an RB-set with highest index in the active ULBWP. For example, the pre-determined set of RB-sets may be determined bythe RB-set index in the active UL BWP.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces if the condition 1 a is met, and if the condition 3 is notmet. For this case, one of Option 2 a, and Option 3 b may be applied forresource assignment.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces if the condition 1 b is met. For this case, one of Option 2a, and Option 3 b may be applied for resource assignment. The condition1 b is a condition that the resource block assignment information isincluded in a DCI format 0_0 in a USS set scheduling the PUSCH.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces and a set of up to N_(set) RB-sets if the condition 1 b ismet.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces if the condition lb and condition 4 are met. For this case,one of Option 2 a, and Option 3 b may be applied for resourceassignment. The condition 4 is a condition that the size of the DCIformat 0_0 in the USS set is aligned to the size of the DCI format 0_0in CSS set by size matching procedure.

In the uplink resource assignment for a PUSCH, resource block assignmentinformation indicates to the terminal device 1 a set of up to M_(int)interlaces and a set of up to N_(set) RB-sets, if the condition lb ismet and the condition 4 is not met.

The size matching procedure is a procedure to reduce a number of DCIformat size for easy implementation of the terminal device 1. The sizematching procedure is based on a number of sizes for configured DCIformats for the terminal device 1.

To accomplish the object described above, aspects of the presentinvention are contrived to provide the following measures. Specifically,the terminal device 1 according to a first aspect of the presentinvention includes reception circuitry configured to receive a DCIformat scheduling a PUSCH, and transmission circuitry configured totransmit the PUSCH in an active UL BWP, wherein the DCI format at leastindicates a set of interlaces, if the DCI format indicates a set ofRB-sets, resource blocks for the PUSCH are given based on anintersection of the set of the interlaces and the set of the RB-sets,and if the DCI format doesn't indicate the set of the RB-sets, theresource blocks for the PUSCH are given based on an intersection of theset of the interlaces and a pre-determined set of RB-sets where thepre-determined set includes one or more RB-sets in an initial UL BWPwhich is different from the active UL BWP, one or more RB-sets in theactive UL BWP, one or more RB-sets indicated by RRC parameter, or one ormore RB-sets which corresponds to one or more downlink RB sets in whichthe DCI format is received.

Furthermore, the base station device 3 according to a second aspect ofthe present invention includes transmission circuitry configured totransmit a DCI format scheduling a PUSCH, and reception circuitryconfigured to receive the PUSCH in an active UL BWP, wherein the DCIformat at least indicates a set of interlaces, if the DCI formatindicates a set of RB-sets, resource blocks for the PUSCH are givenbased on an intersection of the set of the interlaces and the set of theRB-sets, and if the DCI format doesn't indicate the set of the RB-sets,the resource blocks for the PUSCH are given based on an intersection ofthe set of the interlaces and a pre-determined set of RB-sets where thepre-determined set includes one or more RB-sets in an initial UL BWPwhich is different from the active UL BWP, one or more RB-sets in theactive UL BWP, one or more RB-sets indicated by RRC parameter, or one ormore RB-sets which corresponds to one or more downlink RB sets in whichthe DCI format is transmitted.

Each of a program running on the base station device 3 and the terminaldevice 1 according to an aspect of the present invention may be aprogram that controls a Central Processing Unit (CPU) and the like, suchthat the program causes a computer to operate in such a manner as torealize the functions of the above-described embodiment according to thepresent invention. The information handled in these devices istransitorily stored in a Random-Access-Memory (RAM) while beingprocessed. Thereafter, the information is stored in various types ofRead-Only-Memory (ROM) such as a Flash ROM and a Hard-Disk-Drive (HDD),and when necessary, is read by the CPU to be modified or rewritten.

Note that the terminal device 1 and the base station device 3 accordingto the above-described embodiment may be partially achieved by acomputer. In this case, this configuration may be realized by recordinga program for realizing such control functions on a computer-readablerecording medium and causing a computer system to read the programrecorded on the recording medium for execution.

Note that it is assumed that the “computer system” mentioned here refersto a computer system built into the terminal device 1 or the basestation device 3, and the computer system includes an OS and hardwarecomponents such as a peripheral device. Furthermore, the“computer-readable recording medium” refers to a portable medium such asa flexible disk, a magneto-optical disk, a ROM, a CD-ROM, and the like,and a storage device built into the computer system such as a hard disk.

Moreover, the “computer-readable recording medium” may include a mediumthat dynamically retains a program for a short period of time, such as acommunication line that is used to transmit the program over a networksuch as the Internet or over a communication line such as a telephoneline, and may also include a medium that retains a program for a fixedperiod of time, such as a volatile memory within the computer system forfunctioning as a server or a client in such a case. Furthermore, theprogram may be configured to realize some of the functions describedabove, and also may be configured to be capable of realizing thefunctions described above in combination with a program already recordedin the computer system.

Furthermore, the base station device 3 according to the above-describedembodiment may be achieved as an aggregation (an device group) includingmultiple devices. Each of the devices configuring such an device groupmay include some or all of the functions or the functional blocks of thebase station device 3 according to the above-described embodiment. Thedevice group may include each general function or each functional blockof the base station device 3. Furthermore, the terminal device 1according to the above-described embodiment can also communicate withthe base station device as the aggregation.

Furthermore, the base station device 3 according to the above-describedembodiment may serve as an Evolved Universal Terrestrial Radio AccessNetwork (E-UTRAN) and/or NG-RAN (Next Gen RAN, NR-RAN). Furthermore, thebase station device 3 according to the above-described embodiment mayhave some or all of the functions of a node higher than an eNodeB or thegNB.

Furthermore, some or all portions of each of the terminal device 1 andthe base station device 3 according to the above-described embodimentmay be typically achieved as an LSI which is an integrated circuit ormay be achieved as a chip set. The functional blocks of each of theterminal device 1 and the base station device 3 may be individuallyachieved as a chip, or some or all of the functional blocks may beintegrated into a chip. Furthermore, a circuit integration technique isnot limited to the LSI, and may be realized with a dedicated circuit ora general-purpose processor. Furthermore, in a case that with advancesin semiconductor technology, a circuit integration technology with whichan LSI is replaced appears, it is also possible to use an integratedcircuit based on the technology.

Furthermore, according to the above-described embodiment, the terminaldevice has been described as an example of a communication device, butthe present invention is not limited to such a terminal device, and isapplicable to a terminal device or a communication device of afixed-type or a stationary-type electronic device installed indoors oroutdoors, for example, such as an Audio-Video (AV) device, a kitchendevice, a cleaning or washing machine, an air-conditioning device,office equipment, a vending machine, and other household devices.

The embodiments of the present invention have been described in detailabove referring to the drawings, but the specific configuration is notlimited to the embodiments and includes, for example, an amendment to adesign that falls within the scope that does not depart from the gist ofthe present invention. Furthermore, various modifications are possiblewithin the scope of one aspect of the present invention defined byclaims, and embodiments that are made by suitably combining technicalmeans disclosed according to the different embodiments are also includedin the technical scope of the present invention. Furthermore, aconfiguration in which constituent elements, described in the respectiveembodiments and having mutually the same effects, are substituted forone another is also included in the technical scope of the presentinvention.

1. A terminal device comprising: reception circuitry configured toreceive a physical downlink control channel (PDCCH) with a downlinkcontrol information (DCII format scheduling a physical uplink sharedchannel (PUSCH); and transmission circuitry configured to transmit thePUSCH in an active UL bandwidth part (BWPI of a serving cell, wherein:the DCI format at least indicates a set of interlaces, in a case thatthe DCI format indicates a set of resource block (RB)-sets, resourceblocks for the PUSCH are given based on an intersection of the set ofthe interlaces and the set of the RB-sets, and in a case that the DCIformat doesn't indicate the set of the RB-sets, the resource blocks forthe PUSCH are given based on an intersection of the set of theinterlaces and a pre-determined set of RB-sets where the pre-determinedset includes one RB-set which corresponds to one downlink RB set inwhich the DCI format is received.
 2. A base station device comprising:transmission circuitry configured to transmit a physical downlinkcontrol channel (PDCCH) with a downlink control information (DCI) formatscheduling a physical uplink shared channel (PUSCH); and receptioncircuitry configured to receive the PUSCH in an active UL bandwidth part(BWP) of a serving cell, wherein: the DCI format at least indicates aset of interlaces, in a case that the DCI format indicates a set ofresource block (RB)-sets, resource blocks for the PUSCH are given basedon an intersection of the set of the interlaces and the set of theRB-sets, and in a case that the DCI format doesn't indicate the set ofthe RB-sets, the resource blocks for the PUSCH are given based on anintersection of the set of the interlaces and a pre-determined set ofRB-sets where the pre-determined set includes one RB-set whichcorresponds to one downlink RB set in which the DCI format istransmitted.
 3. A communication method used by a terminal device, thecommunication method comprising the step of: receiving a physicaldownlink control channel (PDCCH) with a downlink control information(DCI) format scheduling a physical uplink shared channel (PUSCH); andtransmitting the PUSCH in an active UL bandwidth part (BWP) of a servingcell, wherein: the DCI format at least indicates a set of interlaces, ina case that the DCI format indicates a set of resource block (RB)-sets,resource blocks for the PUSCH are given based on an intersection of theset of the interlaces and the set of the RB-sets, and in a case that theDCI format doesn't indicate the set of the RB-sets, the resource blocksfor the PUSCH are given based on an intersection of the set of theinterlaces and a pre-determined set of RB-sets where the pre-determinedset includes one RB-set which corresponds to one downlink RB set inwhich the DCI format is received.
 4. (canceled)